{ } a. [ L. pileatus, fr. pileus a felt cap or hat. ] 1. Having the form of a cap for the head. [ 1913 Webster ]

2. (Zool.) Having a crest covering the pileus, or whole top of the head. [ 1913 Webster ]

Pileated woodpecker (Zool.), a large American woodpecker (Ceophloeus pileatus). It is black, with a bright red pointed crest. Called also logcock, and woodcock. [ 1913 Webster ]