1.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. "(Attack) his rising crest, and drive the serpent back."
2.The plume of feathers, or other decoration, worn on a helmet; the distinctive ornament of a helmet, indicating the rank of the wearer; hence, also, the helmet. "Stooping low his lofty crest." "And on his head there stood upright A crest, in token of a knight."
4.The upper curve of a horse's neck. "Throwing the base thong from his bending crest."
5.The ridge or top of a wave. "Like wave with crest of sparkling foam."
6.The summit of a hill or mountain ridge.
7.The helm or head, as typical of a high spirit; pride; courage. "Now the time is come That France must vail her lofty plumed crest."
8.(Arch.) The ornamental finishing which surmounts the ridge of a roof, canopy, etc. "The finials of gables and pinnacles are sometimes called crests."
9.(Engin.) The top line of a slope or embankment.
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