Now updated for CSW19. New words, if any, and new inflections of existing words, are shown in red.
| alcove | a vaulted or arched recess in a room-wall, formerly esp. one for a bed. [Arabic al-kubba, the vault]. |
| alcoved | having an alcove. |
| anteroom | a room before, or forming an entrance to, another; a waiting room. |
| apadana | the great hall or throne-room of an ancient Persian palace. |
| apartment | any room in a building, usually one of several forming a suite, esp. one that is spacious and well furnished and used as living accommodation, offices, etc. |
| appartement | a set of rooms in a house for an individual or a family. |
| atelier | an artist's studio or workshop. |
| atrial | of or pertaining to an ATRIUM, a square hall lighted from above, into which rooms open at one or more levels. |
| atrium | a square hall lighted from above, into which rooms open at one or more levels > ATRIUMS or ATRIA. |
| attic | a space or room within the roof of a house. |
| auditorium | the part of a theatre, lecture-hall, or other public building occupied by the audience > AUDITORIUMS or AUDITORIA. |
| aula | a hall > AULAS. |
| backroom | a room at the back. |
| barroom | a room in which drinks are served, forming part of a public house. |
| bathroom | a room containing a bath. |
| bedroom | a room containing a bed. |
| bedroomed | having a bedroom. |
| bedsitting | as in bedsitting room, a one-room apartment. |
| bierkeller | a beer cellar. |
| boardroom | a room where the board of directors of a company meets. |
| boudoir | a lady's private room. |
| boxroom | a room in which boxes, trunks, etc., are stored. |
| butlery | the butler's pantry. |
| buttery | a storeroom for provisions and liquors; (adj.) like or containing butter > BUTTERIER, BUTTERIEST. |
| byroom | a side or private room. |
| cafetorium | a large room designed for use as both a cafe and an auditorium. |
| caldarium | a hot room in a Roman bath-house > CALDARIA. Cf. FRIGIDARIUM, TEPIDARIUM. |
| calefactory | a monastery sitting room. |
| carol carrel carrell | a desk or alcove in a library for private study. |
| cellar | a room below ground-level; (verb) to store in a cellar. |
| cellarage | the space or storerooms of a cellar; a cellar. |
| cenacle | the room where the Last Supper was eaten; a clique or circle, especially of writers. [L. cenaculum, dining-room]. |
| chamber | a meeting hall, esp. one used for a legislative or judicial assembly; a reception room or audience room in an official residence, palace, etc; (verb) to place in a chamber. |
| charnel | a room where corpses are placed. |
| chaumer | a room or building in which male farm-workers sleep. |
| checkroom | a cloakroom, a luggage room. |
| classroom | a room in which children are confined, nominally for purposes of instruction. |
| cloakroom | a room in which coats etc. are stored. |
| clubroom | a room in a clubhouse. |
| coatroom | a cloakroom. |
| cockloft | a small room just under the roof. |
| cookroom | a room for cookery; a kitchen; the galley or caboose of a ship. |
| couchette | a sleeping-berth on a continental train. |
| cubby | a snug enclosed place. |
| cubbyhole | a small enclosed space or room. |
| cubicle | a partially or totally enclosed section of a room, as in a dormitory. |
| cubiculum | a cubicle > CUBICULA. |
| dinette | an alcove or other part of a room or kitchen set apart for meals. |
| donko | (NZ) an informal tea-room in a factory. | dorm | dormitory. |
| dormitory | a sleeping room, or a building containing a series of sleeping rooms. |
| dorter dortour | a dormitory. |
| ensuite | a room, such as a bathroom, adjoining another room. |
| foyer | a large room in a theatre or concert hall for the use of the audience during intervals. |
| frigidarium | the room in Roman baths containing the final, cold, bath > FRIGIDARIA. |
| garderobe | a chamber for storing clothes; a private chamber, a privy. |
| garret | a room just under the roof of a house; attic. |
| garreted | provided with garrets; lodged in a garret. |
| greenroom | the retiring room of actors and actresses in a theater. |
| grillroom | a room where grills are prepared. |
| growlery | a retreat for times of ill humor. |
| guardroom | a room having the same function as a guardhouse. |
| gunroom | a room for storing guns. |
| gynaeceum gynaecium | the women's apartments in a household; any room or building set aside for women esp. in ancient Greece or Rome > GYNAECEA or GYNAECEUMS; GYNAECIA or GYNAECIUMS. |
| hall | a room serving as an entry area in a house or building. |
| hallway | a hall or corridor. |
| homeroom | the classroom where pupils assemble before classes. |
| houseroom | room or place in a house; as, to give any one houseroom. |
| kitchen | a room equipped for preparing food; (verb) to entertain in a kitchen, provide with food. |
| kitchenet | a small kitchen. |
| kursaal | a public hall or room, for the use of visitors at watering places and health resorts in Germany. |
| larder | a room or cupboard, used as a store for food. |
| lobby | a room or corridor used as an entrance hall, vestibule, etc; (verb) to seek to influence (members of a house of legislature) in the exercise of legislative functions. |
| locutory | a room for conversation. |
| lounge | a living room in a private house; (verb) to sit, lie etc. in a relaxed manner. |
| lunchroom | a room where lunch is served. |
| mailroom | a room where mail is sorted. |
| mattamore | a subterranean repository for wheat. |
| megaron | the central hall of an ancient Greek, esp. Mycenaean, house > MEGARA or MEGARONS. |
| mudroom | a room for shedding muddy clothing or footwear. |
| multiroomed | having many rooms. |
| oda odah | a room in a harem. |
| pantry | a small room or a cupboard in which provisions, crockery, cutlery, table linen, etc., are kept. |
| parlor parlour | orig., a private room set apart for conversation or conference in any large or public building. Later, a sitting-room in a private house. |
| playroom | a room in a house set aside for children's play. |
| pressroom | a room for reporters. |
| proofroom | a room where proofs are set up. |
| refectory | the dining-hall of a monastery or other institution. |
| restroom | a room set aside for rest. |
| roomette | a sleeping-compartment in a train. |
| saddleroom | a room where saddles and harness are kept. |
| salle | a hall. |
| salon | a room in a large house in which guests are received. |
| saloon | a large room or hall used for meetings, exhibitions, etc., esp. in a hotel or public building. |
| sanctum | a sacred place; a very private room > SANCTA or SANCTUMS. |
| scriptorium | a writing room, especially of scribes in medieval monastery > SCRIPTORIA. |
| scullery | a small kitchen. |
| selamlik | the portion of a Turkish house reserved for men. |
| semibasement | a basement partly above ground, as in a house built on a slope. |
| servery | a room or rooms adjoining a dining-room, from which the food is served. |
| sickroom | a room to which a person who is ill is confined. |
| sitkamer | (Afrikaans) a sitting-room. |
| snug | a cosy room, a corner; (verb) to lie close. |
| snuggery snuggerie | a snug cozy place; especially a small room. |
| solar soler sollar soller | an upper room, a garret. |
| solarium | a sun-room > SOLARIA. |
| stackroom | in a library, a room where books are kept in stacks. |
| staffroom | a room in a school set aside as a sanctuary for the teaching staff. |
| stateroom | a private cabin or room on a ship, train, etc; a large room in a palace or other building for use on state occasions. |
| stillroom | a room for distilling. |
| stockroom | a room where goods are kept. |
| storeroom | a room in which things are stored. |
| studio | a room in which an artist, photographer, or musician works; a room used to record television or radio programmes, make films, etc. |
| study | a room set aside for study. |
| subcellar | a subdivision of a cellar. |
| sudatorium | a sweat room in a bath > SUDATORIA or SUDATORIUMS. |
| sunroom | a room for taking the sun. |
| tallat tallet tallot | in the West of England, a loft. |
| taproom | a room where liquors are kept on tap; a barroom. |
| tepidarium | a warm room between the hot and cold rooms of a Roman bath > TEPIDARIA. |
| tokonoma | a small alcove in a Japanese house. |
| undercroft | an underground room or vault, esp under a church; crypt. |
| vestiary | a robing-room; a cloakroom; (adj.) of or relating to clothes. |
| vestibular | of or pertaining to a VESTIBULE; like a vestibule. |
| vestibule | an entrance-hall; (verb) to provide (a railway carriage) with vestibules; link by means of vestibules. |
| vestibuled | having a vestibule. |
| voorkamer | (Afrikaans) a front room, esp. of a farmhouse. |
| wardroom | quarters for a ship's officers. |
| wareroom | a room in which goods are stored or exhibited for sale. |
| washroom | a room, esp. in a factory or office block, in which lavatories, washbasins, etc., are situated; (U.S. and Canadian) a euphemism for lavatory. |
| workroom | a room in which work, usually manual labour, is done; a room in a house set aside for a hobby, such as sewing. |