foyer

UK: English: /ˈfɔɪə^r/ /ˈfɔɪəɪ/, French: /ˈfwaɪeɪ/

US: /ˈfɔɪɚ, ˈfɔɪeɪ/

US: (foi′ər, foi′ā; Fr. fwa yā′)

Inflections of 'foyer' (n): npl: foyers

WordReference Random House Learner's Dictionary of American English © 2025

foy•er /ˈfɔɪɚ, ˈfɔɪeɪ/   n. [countable]

1. the lobby of a theater, hotel, or apartment house.
2. an entrance hall in a house or apartment.

WordReference Random House Unabridged Dictionary of American English © 2025

foy•er  (foi′ər, foi′ā; Fr. fwa yā′), n., pl. -ers 

(-ərz, -āz; Fr. -yā′). 
1. the lobby of a theater, hotel, or apartment house.
2. a vestibule or entrance hall in a house or apartment.

• Gallo-Latin *focārium, equivalent. to Latin foc(us) hearth (compare focus) + -ārium -arium
• French: fireplace, hearth (origin, originally a room to which theater audiences went for warmth between the acts)
• 1855–60

Collins Concise English Dictionary © HarperCollins Publishers::

foyer / ˈfɔɪeɪ ˈfɔɪə/ noun

1. a hall, lobby, or anteroom, used for reception and as a meeting place, as in a hotel, theatre, cinema, etc

Etymology: 19th Century: from French: fireplace, from Medieval Latin focārius, from Latin focus fire