propylaeum

noun
pro·​py·​lae·​um | \ ˌprä-pə-ˈlē-əm How to pronounce propylaeum (audio) , ˌprō-\
plural propylaea\ ˌprä-​pə-​ˈlē-​ə How to pronounce propylaea (audio) , ˌprō-​ \

Definition of propylaeum

: a vestibule or entrance of architectural importance before a building or enclosure often used in plural

First Known Use of propylaeum

1637, in the meaning defined above

History and Etymology for propylaeum

Latin, from Greek propylaion, from pro- before + pylē gate — more at pro-

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