[Attack] his rising crest, and drive the serpent
back. --C. Pitt.
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. --Sir W.
Scott.
And on his head there stood upright A crest, in
token of a knight. --Gower.
3. (Her.) A bearing worn, not upon the shield, but usually
above it, or separately as an ornament for plate,
liveries, and the like. It is a relic of the ancient
cognizance. See {Cognizance}, 4.
4. The upper curve of a horse's neck.
Throwing the base thong from his bending crest.
--Shak.
5. The ridge or top of a wave.
Like wave with crest of sparkling foam. --Sir W.
Scott.
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. --Shak.
8. (Arch.) The ornamental finishing which surmounts the ridge
of a roof, canopy, etc.
The finials of gables and pinnacles are sometimes
called crests. --Parker.
9. (Engin.) The top line of a slope or embankment.
{Crest tile}, a tile made to cover the ridge of a roof,
fitting upon it like a saddle.
{Interior crest} (Fort.), the highest line of the parapet.