Source : Webster's Revised Unabridged Dictionary (1913)

Peafowl \Pea"fowl`\, n. [See {Peacock}.] (Zo["o]l.)
   The peacock or peahen; any species of Pavo.

Source : WordNet®

peafowl
     n : very large terrestrial southeast Asian pheasant often raised
         as an ornamental bird [syn: {bird of Juno}]