1. A notch or open space between two merlons in a crenelated battlement
   "The archers took aim through the crenelles in the castle wall";
   - crenel
    
2. One of a series of rounded projections (or the notches between them) formed by curves along an edge
   "The leaf's edge was marked by a series of crenelles";
   - scallop, crenation, crenature, crenel

Derived forms: crenelles

Type of: curve, curved shape, space

Part of: battlement, crenelation, crenellation

Encyclopedia: Crenelle