n 1  :  a showy tuft or process on the head of an animal and esp. a bird  2  :  a process or prominence on a part of an animal body: as  a  :  the upper curve or ridge of the neck of a quadruped (as a horse) : also  :  the mane borne on such a crest  b  :  a ridge esp. on a bone <the of the tibia>  - see FRONTAL CREST OCCIPITAL CREST  .
 
 
 
Similar sounding terms:  cre·o·sote  cris·ta  crossed  crust 
 
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