noun pl. peacocks or peacock
- any male peafowl, esp., one of a species (Pavo cristatus) with a crest of plumules and long, brightly colored upper tail coverts that can be spread like a fan and have rainbow-colored, eyelike spots
- loosely any peafowl
- a vain, strutting person
Origin:
ME pacok < pa, peacock (< OE pea < early WGmc borrowing < L pavo, peacock, ? akin to Gr taōs, ? of Asian orig.) + cok, cock
intransitive verb
to display vanity in behavior, dress, etc.; strut