plumber block

Pillow 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. [1913 Webster]

[Resty sloth] finds the down pillow hard. --Shak. [1913 Webster]

2. (Mach.) A piece of metal or wood, forming a support to equalize pressure; a brass; a pillow block. [R.] [1913 Webster]

3. (Naut.) A block under the inner end of a bowsprit. [1913 Webster]

4. A kind of plain, coarse fustian. [1913 Webster]

{Lace pillow}, a cushion used in making hand-wrought lace.

{Pillow bier} [OE. pilwebere; cf. LG. b["u]re a pillowcase], a pillowcase; pillow slip. [Obs.] --Chaucer.

{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. [1913 Webster]