Ridden top of wave (5)
I believe the answer is:
crest
(Other definitions for crest that I've seen before include "Heraldic device representing a family" , "Tuft" , "Top of a ridge or wave" , "Highest point" , "Wave top; (bird's) comb" .)
I believe the answer is:
crest
(Other definitions for crest that I've seen before include "Heraldic device representing a family" , "Tuft" , "Top of a ridge or wave" , "Highest point" , "Wave top; (bird's) comb" .)