Foamy wave crest (8)
I believe the answer is:
whitecap
(Other definitions for whitecap that I've seen before include "Crested wave" , "has one wave" , "Redstart" , "A mountain" , "American vigilante" .)
I believe the answer is:
whitecap
(Other definitions for whitecap that I've seen before include "Crested wave" , "has one wave" , "Redstart" , "A mountain" , "American vigilante" .)