battlement

 
Pronunciation: /ˈbat(ə)lm(ə)nt/

noun

(usually battlements)
  • a parapet at the top of a wall, especially of a fort or castle, that has regularly spaced squared openings for shooting through.
  • a section of roof enclosed by battlements: I want to go up on the battlements

Derivatives

battlemented

adjective

Origin:

late Middle English: from Old French bataillier 'fortify with movable defence turrets', possibly related to battle