vestibule
Word family adjectivevestibularnounvestibulitisvestibulevestibulum
ves·ti·bule /ˈvestəbjuːl/ noun [countableC] formal 2. American EnglishAmE the space at each end of a railway carriage that connects it with the next carriage 〔连接火车前后车厢的〕通廊,连廊 Origin vestibule (1600-1700) Latin vestibulum