noun
A male peafowl, especially Pavo cristatus, notable for its brilliant iridescently ocellated tail.
A peafowl (of the genus Pavo or Afropavo), either male or female.
A pompous or vainglorious person [from the 14th c.].
(entomology) Any of various Asian species of papilionid butterflies of the genus Papilio.
verb
(intransitive) To strut about proudly or haughtily.
(intransitive) To engage in peacocking, ostentatious dress or behaviour to impress women.