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acropolis (noun), acropolises; acropoleis (pl)
A promontory, usually a fortified citadel, that created the center of a Grecian city at the top or on a hill: Acropolises apply to very old Greek settlements which were built high up on a hill and served as forts, centers for religious activities, and finally as a cultural core of larger cities.

One famous acropolis is the ancient city of Athens.

This entry is located in the following unit: acro-, acr- (page 8)