1. Having the form of a cap for the head. ... 2. <zoology> Having a crest covering the pileus, or whole top of the head. ... <zoology> Pileated woodpecker, a large American woodpecker (Ceophloeus pileatus). It is black, with a bright red pointed crest. ... Synonym: logcock, and woodcock. ... Origin: L. Pileatus, fr. Pileus a felt cap or... Found on http://www.encyclo.co.uk/local/20973