peacock

A male peafowl, distinguished by its crested head, brilliant blue or green plumage, and long modified back feathers that are marked with iridescent eyelike spots and that can be spread in a fanlike form.

A peafowl, either male or female.

A vain or ostentatious person.

To strut about like a peacock; exhibit oneself vainly.

A bird of the genus Pavo, specifically the male, of which the female is a peahen and the young a pea-chick. See peafowl.