1) Battlement feature 2) Battlement opening 3) Crenation 4) Crenature 5) Crenelle 6) Curve 7) Curved shape 8) French word used in English 9) Opening in a battlement 10) Part of a battlement 11) Scallop 12) Supply with battlements 1) Crenation 2) Crenature 3) Crenelle 4) Scallop 
the open section of a battlement.
open space on a parapet used for launching projectiles at enemies
• (n.) Same as Crenature. • (n.) An embrasure or indentation in a battlement; a loophole in a fortress; an indentation; a notch. See Merlon, and Illust. of Battlement. • (n.) See Crenelle.
(from the article `battlement`) the parapet of a wall consisting of alternating low portions known as crenels, or crenelles (hence crenellated walls with battlements), and high ...
The low segment of the alternating high and low segments of a battlement.
The low segment of the alternating high and low segments of a battlement.
The gap in crenellations. see Merlon
Cre·nel' noun See Crenelle . 
[n] - a notch or open space between two merlons in a crenelated battlement 2. [v] - supply with battlements
crenel, crenelle 1. A notch or open space between two merlons in a crenelated battlement or a gap in the top of a castle wall or parapet, used for firing missiles or shooting. 2. One of a series of rounded projections (or the notches between them) formed by curves along an edge (as the edge of a leaf or piece of cloth or the margin of a shell or a...
crenelle noun a notch or open space between two merlons in a crenelated battlement