Answer: crestal

AnswerCrossword Clue
crestalhigh point of an action or process and especially of one that is rhythmic
crestalheraldic representation of the crest
crestalridge or prominence on a part of an animal body
crestalat of arms 2a
crestala showy tuft or process on the head of an animal and especially a bird see bird illustration
crestalheraldic device depicted above the escutcheon but not upon a helmet
crestala crystal
crestalak