Pil"low (?), n. [OE. pilwe, AS. pyle, fr. L. pilvinus.] 1. Anything
used to support the head of a person when reposing; especially, a sack
or case filled with feathers, down, hair, or other soft material.
[Resty sloth] finds the down pillow hard.
Shak.
2. (Mach.) A piece of metal or wood, forming a support to equalize
pressure; a brass; a pillow block. [R.]