1) Crenation 2) Crenature 3) Crenel 4) Curve 5) Curved shape 6) Embrasure in a battlement 7) Scallop 1) Crenation 2) Crenature 3) Crenel 4) Scallop 
• (n.) Alt. of Crenel
A crenelle is an embrasure in an embattled parapet or breastwork. The adjective crenelated is applied in architecture to a kind of embattled or indented moulding of frequent occurrence in buildings of the Norman style.
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...