ROGET THESAURUS
Crenelle
Notch
N
notch, dent, nick, cut, indent, indentation, dimple, embrasure, battlement, machicolation, saw, tooth, crenelle, scallop, scollop, vandyke, depression, jag, notched, crenate, crenated, dentate, dentated, denticulate, denticulated, toothed, palmated, serrated.