vestibule

(noun, verb)

noun

1. a large entrance or reception room or area

Similar word(s): antechamber, anteroom, foyer, hall, lobby

Definition categories: man–made, room

2. any of various bodily cavities leading to another cavity (as of the ear or vagina)

Definition categories: body, cavity, cavum

verb

1. (transitive) To furnish with a vestibule or vestibules.