a room giving entrance to a larger room, often used as a waiting room
WordReference Random House Learner's Dictionary of American English © 2025
an•te•room /ˈæntiˌrum, -ˌrʊm/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- Architecturea room that opens up to a larger room, esp. a waiting room.
an•te•room
(an′tē ro̅o̅m′, -rŏŏm′),USA pronunciation n.
- a room that admits to a larger room.
- a waiting room.
- ante- + room 1755–65
Collins Concise English Dictionary © HarperCollins Publishers::
'anteroom' also found in these entries (note: many are not synonyms or translations):