embrasure, battlement, machicolation†; saw, tooth, crenelle†, scallop, scollop†, vandyke; depression; jag. V. notch, nick, cut, dent, indent, jag, scarify, scotch, crimp, scallop, scollop†, crenulate†, vandyke. Adj. notched &c v.; crenate†, crenated†; dentate, dentated; denticulate, denticulated; toothed, palmated†, serrated.