: A bearing worn, not upon the shield, but usually on a helmet above it, sometimes (as for clerics) separately above the shield or separately as a mark for plate, in letterheads, and the like
The top surface of the dam A roadway may be constructed across the crest to permit vehicular traffic or facilitate operation, maintenance, and examination of the dam Also, the high point of the spillway control section
The part of an ACHIEVEMENT OF ARMS appearing above the SHIELD, often on a helmet and torse The word should not be used to refer to the complete ACHIEVEMENT OF ARMS The Royal Crest is an imperially crowned lion standing on a crown The Canadian Crest is an imperially crowned lion holding a red maple leaf in its upraised right paw
A tuft, or other excrescence or natural ornament, growing on an animal's head; the comb of a cock; the swelling on the head of a serpent; the lengthened feathers of the crown or nape of bird, etc
The highest point in a propagating or standing wave See high water and tidal wave
The top of a dam, dike, or spillway that water must reach before passing over the structure It also is the summit or highest point of a wave The highest elevation reached by flood waters flowing in a channel