Definition of acropolis noun from the Oxford Advanced Learner's Dictionary

 

acropolis

 noun
noun
BrE BrE//əˈkrɒpəlɪs//
 
; NAmE NAmE//əˈkrɑːpəlɪs//
 
 
jump to other results
(in an ancient Greek city) a castle, or an area that is designed to resist attack, especially one on top of a hill Word OriginGreek, from akron ‘summit’ + polis ‘city’.
See the Oxford Advanced American Dictionary entry: acropolis