What is "pileate"

Pileate \Pi"le*ate\, Pileated \Pi"le*a`ted\, a. [L. pileatus, fr. pileus a felt cap or hat.]

1. Having the form of a cap for the head.

2. (Zo["o]l.) Having a crest covering the pileus, or whole top of the head.

   Pileated woodpecker (Zo["o]l.), a large American woodpecker ( Ceophloeus pileatus). It is black, with a bright red pointed crest. Called also logcock, and woodcock.

a. pileated