Coxcomb

Pronunciation: k?ks"k?m`
n.
  1. The top of the head, or the head itself
  2. A vain, showy fellow; a conceited, silly man, fond of display; a superficial pretender to knowledge or accomplishments; a fop.
  3. (Bot.) A name given to several plants of different genera, but particularly to Celosia cristata, or garden cockscomb. Same as Cockscomb.
    1. A strip of red cloth notched like the comb of a cock, which licensed jesters formerly wore in their caps.
    2. The cap itself.