Pea"cock` (?), n. [OE. pecok.
Pea- in this word is from AS. peÁ,
pāwa, peacock, fr. L. pavo, prob. of Oriental
origin; cf. Gr. ?, ?, Per. tāus, tāwus,
Ar. tāwu?s. See Cock the bird.]
1. (Zoöl.) The male of any pheasant
of the genus Pavo, of which at least two species are known,
native of Southern Asia and the East Indies.
☞ The upper tail coverts, which are long and capable of
erection, are each marked with a black spot bordered by concentric
bands of brilliant blue, green, and golden colors. The common
domesticated species is Pavo cristatus. The Javan peacock
(P. muticus) is more brilliantly colored than the common
species.
2. In common usage, the species in general or
collectively; a peafowl.
Peacock butterfly (Zoöl.), a
handsome European butterfly (Hamadryas Io) having ocelli like
those of peacock. -- Peacock fish
(Zoöl.), the European blue-striped wrasse (Labrus
variegatus); -- so called on account of its brilliant colors.
Called also cook wrasse and cook. --
Peacock pheasant (Zoöl.), any one of
several species of handsome Asiatic pheasants of the genus
Polyplectron. They resemble the peacock in color.