peacock: Meaning and Definition of

pea•cock

1. the male of the peafowl distinguished by its long, erectile, greenish, iridescent tail coverts that are brilliantly marked with ocellated spots and that can be spread in a fan.
2. any peafowl.
3. a vain, self-conscious person.
4. (cap.)the constellation Pavo.

1. to make a vainglorious display; strut like a peacock.

Pea•cock

1. 1785–1866, English poet and novelist.