n. A bird of the genus Pavo, specifically the male, of which the female is a peahen and the young a pea-chick. See peafowl.To cause to strut or pose and make an exhibition of one's beauty, elegance, or other fine qualifications; hence, to render proud, vain, or haughty; make a display of.To strut about like a peacock, or in a manner indicating vanity: as, she peacocked up and down the terrace.n. [capitalized] In astronomy, the constellation Pavo.To pick the ‘eyes’ out of the land by selecting of buying up the choice pieces and waterfrontages so that the adjoining territory is practically useless to any one else.