- [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.
- In common usage, the species in general or collectively; a peafowl.
Note: ☞ 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 (Pavo muticus) is more brilliantly colored than the common species.
Etymology: OE. pecok. Pea- in this word is from AS. peá pāwa, peacock, fr. L. pavo, prob. of Oriental origin; cf. Gr. taw`s taw^s, Per. tāus tāwus, Ar. tāwūs. See Cock the bird