'Embrasure' definitions:

Definition of 'embrasure'

From: WordNet
noun
An opening (in a wall or ship or armored vehicle) for firing through [syn: port, embrasure, porthole]

Definition of 'Embrasure'

From: GCIDE
  • Embrasure \Em*bra"sure\ (?; 135), n. [See Embrace.] An embrace. [Obs.] "Our locked embrasures." --Shak. [1913 Webster]

Definition of 'Embrasure'

From: GCIDE
  • Embrasure \Em*bra"sure\ (277), n. [F., fr. embraser, perh. equiv. to ['e]braser to widen an opening; of unknown origin.]
  • 1. (Arch.) A splay of a door or window. [1913 Webster]
  • Apart, in the twilight gloom of a window's embrasure, Sat the lovers. --Longfellow. [1913 Webster]
  • 2. (Fort.) An aperture with slant sides in a wall or parapet, through which cannon are pointed and discharged; a crenelle. See Illust. of Casemate. [1913 Webster]