cox·comb 
(kŏkskōm′)
(kŏkskōm′)n.
1. A conceited dandy; a fop.
2. Obsolete A jester's cap; a cockscomb.
[Middle English cokkes comb, crest of a cock : cokkes, genitive of cok, cock; see COCK1 + comb, crest; see COMB.]
cox·combi·cal (-kōmĭ-kəl) adj.