crest (n.) 2
[on an animal head or neck] ridge of feathers, ridge of hairs; hackles
1H4 I.i.98 [Westmorland to King Henry, of Worcester's influence on Hotspur] Which makes him ... bristle up / The crest of youth against your dignity
Cor IV.v.218 [Third Servingman to First Servingman, of Coriolanus' friends and Coriolanus] when they shall see ... his crest up again and the man in blood
JC IV.ii.26 [Brutus to Lucilius, of insincere men compared to horses] when they should endure the bloody spur, / They fall their crests
KJ IV.iii.149 [Bastard to Hubert] Now for the bare-picked bone of majesty / Doth dogged war bristle his angry crest [also: sense 3]
Ven 272 [of Adonis' horse] his braided hanging mane / Upon his compassed crest now stand on end