Definition of crenellated adjective from the Oxford Advanced Learner's Dictionary

 

crenellated

 adjective
(also US English crenelated)adjective
BrE BrE//ˈkrenəleɪtɪd//
 
; NAmE NAmE//ˈkrenəleɪtɪd//
 
(specialist)
 
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(of a tower, castle, etc.) having battlements Word Origin early 19th cent.: from French créneler, from Old French crenel (see crenel) + -ed.
See the Oxford Advanced American Dictionary entry: crenellated