Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| aftershaft | the second shaft coming out of the quill of a feather. |
| alated | having wings. |
| alation | the state of having wings; the position of wings on a creature. |
| alula | (Lat.) one of three feathers springing from the base of the primaries. |
| alular | pertaining to the alulae, three feathers springing from the base of the primaries. |
| angustirostrate | narrow-beaked. |
| anisodactyl | a bird having the first toe directed backwards and the other three toes directed forwards. |
| anisodactylous | of birds, having three toes turned forward, one backwards. |
| apterism | winglessness. |
| apterium | a bare patch on a bird's skin. |
| apterous | lacking wings. |
| aviform | bird-shaped. |
| axillar | a feather on the underside of a bird's wing. |
| axillary | growing from an axil; (noun) an axillary feather. |
| barbicel | (Ital.) one of the small hooklike processes on the barbules of feathers. |
| beak | a bird's bill. |
| beaked | having a beak. |
| beakless | without a beak. |
| beaklike | like a beak. |
| beaky | beaked. |
| becke | (Spenser) a beak. |
| bewinged | having wings. |
| birostrate | double-beaked. |
| braccate | having feathered legs or feet. |
| brachypterism | the state of having abnormally short wings. |
| calcar | (Lat.) a spur-like projection, as on the leg of a bird. |
| calcarate | relating to a calcar, a spur-like projection on a bird's leg. |
| calcarine | having a calcar. |
| carina | (Lat.) a keel-shaped ridge on a bird's breast. |
| carinal | of or like a carina, a keel-like anatomical part. |
| carpometacarpus | in birds, a bone of the wing formed by fusion of some of the carpals with the metacarpals. |
| caruncle | any fleshy growth on the body eg a rooster's comb. |
| caruncular | having a caruncle. |
| carunculate | having a caruncle. |
| carunculated | having a caruncle. |
| carunculous | having a caruncle. |
| clawless | without claws. |
| clawlike | resembling a claw. |
| cloaca | (Lat.) a sewer; the terminal part of the gut in birds. |
| cloacal | relating to the cloaca. |
| cloacaline | relating to the cloaca. |
| cloacinal | relating to the cloaca. |
| combless | without a comb or crest. |
| conirostral | having a strong conical beak, like eg most finches. |
| copple | (Obs.) a bird's crest. |
| craw | the stomach of a bird. |
| crissal | relating to a crissum, on a bird, feathers covering the underside of the base of the tail. |
| crissum | (Lat.) the area surrounding a bird's cloaca, including the under-tail feathers. |
| culmen | (Lat.) the highest point, the upper ridge of a bird's bill. |
| culvertailed | having a tail like a culver, a dove. |
| dasypaedal | of young birds, having down. |
| dentirostral | with notched beak. |
| dewlap | a turkey's wattle; a flap of skin under the throat. |
| diplocardiac | of birds and mammals, having a four-chambered heart, which enables two separate circulations and prevents mixing of the arterial and venous blood. |
| dowl | (Dial.) a portion of down in a feather; a piece of fluff. |
| dowle | (Dial.) a portion of down in a feather; a piece of fluff. |
| dowlne | (Shakesp.) down, in sense of feathers. |
| downless | without down. |
| downlike | like down. |
| downy | covered in down DOWNILY; (noun) a bed |
| eleutherodactyl | of birds, having the hind toe free. |
| falconiform | shaped like a falcon. |
| fantailed | having a fan-shaped tail. |
| feather | a horny structure found on the wings of birds (verb) to cover with feathers |
| feathery | resembling feathers. |
| feetless | destitute of feet; as, feetless birds. |
| filoplume | a slender hairlike feather. |
| fissipalmate | of some birds' feet, partially webbed, having lobes and fringes on separate toes. |
| fissirostral | having a divided beak. |
| fledge | feathers (verb) to furnish with feathers |
| fledgy | (Keats) fledged, feathery. |
| forewing | a front wing. |
| forficate | deeply forked, esp of certain birds' tails. |
| furcula | (Lat.) the jointed clavicles of a bird, aka wishbone. |
| furculum | (Lat.) the jointed clavicles of a bird, aka wishbone. |
| gastraeum | the undersurface of the body, esp in birds. |
| gonys | the ridge along and towards the tip of the lower mandible, formed by the junction of its two halves or rami (as in gulls). |
| gymnorhinal | with unfeathered nostril. |
| hallucal | relating to the hallux, the big toe, |
| hallux | (Lat.) the big toe; the hind toe of birds. |
| herl | the barb of a feather. |
| heterodactyl | a heterodactylous bird. |
| heterodactylous | having the first and second toes turned backwards, as in trogons, and not the first and fourth as in parrots. |
| impennate | featherless; wingless. |
| ingluvial | of or pertaining to the ingluvies or crop of birds. |
| ingluvies | (Lat.) the crop or craw of birds. |
| lamellirostral | having transverse lamellae within the edge of the bill. |
| lamellirostrate | having transverse lamellae within the edge of the bill. |
| latirostral | having a broad beak. |
| latirostrate | having a broad beak. |
| leptodactyl | a bird or other animal with long slender toes. |
| lobiped | having lobate toes, as a coot. |
| longipennate | having elongated wings or feathers. |
| longirostral | having an elongated beak. |
| loral | pertaining to the lore, the side of a bird's head. |
| loreal | pertaining to the lore, the side of a bird's head. |
| merrythought | the furcula between the neck and breastbone of poultry, also called the wishbone. |
| metagnathism | the state of being metagnathous, having a beak in which the tips of the mandibles cross. |
| metagnathous | having a beak in which the tips of the mandibles cross. |
| micropterous | having small wings or fins. |
| moulten | (Shakesp.) having moulted. |
| nare | (Arch.) a nostril, esp a hawk's. |
| naricorn | the horny termination of a bird's nostril. |
| naris | (Lat.) a nostril. |
| neb | a bird's bill; (verb) to put a bill on. |
| notaeum | (Lat.) the back or upper surface, as of a bird. |
| odontorhynchous | of birds, having toothlike ridges inside the beak. |
| palama | (Lat.) a membrane extending between the toes of a bird, and uniting them more or less closely together. |
| passeriform | having the form of a perching bird. | penna | (Lat.) a feather, esp a large feather of the tail or wing. |
| pennate | winged; feathered. |
| pennated | winged; feathered. |
| penniform | feather-shaped. |
| pileum | (Lat.) the top of a bird's head. |
| pinfeather | a feather not fully developed; esp a rudimentary feather just emerging through the skin. |
| pinion | a wing; a small wheel with teeth; (verb) to fasten. |
| pinna | (Lat.) a projecting feather. |
| pinnal | pertaining to a pinna, a projecting feather. |
| pinnatiped | having the toes bordered by membranes; fin-footed, as certain birds. |
| plumage | the feathers of a bird. |
| plumaged | having plumage. |
| plumate | having feathers or plumes. |
| plumelet | a small plume. |
| plumery | plumes collectively. |
| plumiped | having feathered feet; (noun) a creature with feathered feet. |
| plumose | having feathers or plumes. |
| plumosely | (Adv.) PLUMOSE, having feathers or plumes. |
| plumosity | the state of being plumose. |
| plumous | having feathers or plumes. |
| plumula | (Lat.) a little feather or plume. |
| plumular | relating to a plumule, a little feather or plume. |
| plumulate | downy. |
| plumule | a little feather or plume. |
| plumulose | having hairs branching out laterally, like the parts of a feather. |
| premolt | preceding a molt. |
| premoult | preceding moult. |
| proventricular | relating to the proventriculus, the first part of a bird's stomach. |
| proventriculus | the first part of a bird's stomach, aka gizzard. |
| pteryla | (Lat.) a tract of skin bearing contour feathers in birds. |
| pterylosis | the arrangement of feathers in definite areas. |
| ptilosis | (Greek) plumage or mode of feathering. |
| pygostyle | the bone of a bird's tail. |
| rachial | relating to a rachis, the spine or axis of a feather. |
| rachidial | of or like a rachis, the spine or axis of a feather. |
| rachidian | of or like a rachis, the spine or axis of a feather. |
| rachis | (Lat.) the spine or axis of a feather. |
| rectricial | relating to rectrices. |
| rectrix | (Lat.) any of the quill feathers of a bird's tail that are important in controlling flight direction. |
| recurvirostral | with up-bent bill. |
| remex | (Lat.) one of the large feathers of a bird's wing. |
| remigial | relating to the remiges, one of the large feathers of a bird's wing. |
| rhachial | relating to a rhachis. |
| rhachidial | of or like a rhachis, the spine or axis of a feather. |
| rhachis | (Lat.) the spine or axis of a feather; the spinal cord. |
| rhamphoid | hook-beak-shaped, like eg a toucan. |
| rhamphotheca | the horny or leathery outer layer of a bird's bill. |
| rhinotheca | the sheath of the upper mandible of a bird. |
| rhynchodont | having a toothed beak. |
| rictal | relating to the rictus, the expanse or gape of the mouth, or of the beak or jaws of a bird, fish, etc. |
| rostellar | pertaining to a rostellum, a small beaklike process or extension of some part. |
| rostellate | having a rostellum, or small beak; terminating in a beak. |
| rostellum | (Lat.) the protruding forepart of the head of a tapeworm, armed with hooklets or spines. |
| rostrate | beak-shaped. |
| rostrated | beak-shaped. |
| saurognathous | having a lizard-like arrangement of the palate-bones (as eg woodpeckers). |
| scapulated | with noticeable scapular feathers. |
| scapus | (Lat.) the shaft of a column or feather. |
| schizognathous | of some birds, having the bones of the palate separate. |
| scutellum | (Lat.) a scale on a bird's leg. |
| semipalmation | the state of being semipalmate, partly webfooted. |
| semiplume | a feather with an ordinary shaft but a downy web. |
| serratirostral | saw-billed. |
| spuriae | (Lat.) in birds, feathers of the bastard wing. |
| strophiole | a caruncle. |
| subalar | situated below the wings. |
| syndactylism | being syndactyl, having fused digits. |
| syringeal | of, pertaining to, or connected with the syrinx of a bird. |
| syrinx | (Greek) the vocal organ of birds. |
| talon | a hooked claw or finger. |
| taloned | having talons. |
| tarsometatarsal | relating to the tarsometatarsus, a bird's shankbone, |
| tarsometatarsus | a long bone in the lower leg of birds and some reptiles, formed by the fusion of tarsal and metatarsal structures. |
| tectricial | of or like a tectrix, one of the coverts (feathers covering the main feathers) of a bird's wing. |
| tectrix | (Lat.) one of the coverts (feathers covering the main feathers) of a bird's wing. |
| tenuirostral | of a bird, slender-billed. |
| tertial | a feather of the decorative inner part of a bird's wing. |
| tertiary | one of the feathers on a bird adjoining the secondaries. |
| tibiotarsus | in birds, a bone formed by the fusion of the tibia and some of the tarsals. |
| tomial | relating to the tomium, the cutting edge of a bird's bill. |
| tomium | (Lat.) the cutting edge of a bird's bill. |
| torques | a ring of fur or feathers round an animal's neck. |
| totipalmate | having webbing between each toe, as in pelicans and gannets. |
| totipalmation | the state of being totipalmate, having webbing between each toe. |
| underwing | the underneath of a bird's wing. |
| unwinged | not having wings. |
| uropygial | of or pertaining to the uropygium, or prominence at the base of the tail feathers, in birds. |
| uropygium | the prominence at the posterior extremity of a bird's body, which supports the feathers of the tail. |
| vexil | the vane of a feather. |
| vexillar | of or like a vexillum, the vane of a feather. |
| vexillate | of or like a vexillum, the vane of a feather. |
| vexillum | (Lat.) a flag or standard; the vane of a feather. |
| wing | an organ of flight (verb) to travel by means of wings |
| wingless | having no wings. |
| winglet | a small wing. |
| wingspan | the distance from the tip of one of a pair of wings to that of the other. |
| wingtip | the end of a wing. |
| wingy | having or resembling wings. |
| wishbone | the V-shaped bone formed by the fused clavicles of a bird's breast. |
| zygodactyl | having two toes pointing forward and two backwards; (noun) a bird, such as a woodpecker, having such toes. |
| zygodactylic | having two toes in front and two behind. |
| zygodactylism | the state of being zygodactylic, having two toes in front and two behind. |
| zygodactylous | of or like a zygodactyl, having two toes pointing forward and two backwards. |