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.]
3. Naut. A block under the inner end of a bowsprit.
4. A kind of plain, coarse fustian.
Lace pillow, a cushion used in making hand-wrought lace.
Pillow block Mach., a block, or standard, for supporting a journal, as of a shaft. It is usually bolted to the frame or foundation of a machine, and is often furnished with journal boxes, and a movable cover, or cap, for tightening the bearings by means of bolts; -- called also pillar block, or plumber block.
Pillow lace, handmade lace wrought with bobbins upon a lace pillow.
Pillow of a plow, a crosspiece of wood which serves to raise or lower the beam.
Pillow sham, an ornamental covering laid over a pillow when not in use.
Pillow slip, a pillowcase.
Plumb·er block A pillow block.