4. A kind of brake or shoe for a wagon wheel.

5. (Mach.)

Defn: A piece, usually a plate, applied to a sliding piece, to receive wear and afford a means of adjustment; — also called shoe, and gib. Slipper animalcule (Zoöl.), a ciliated infusorian of the genus Paramecium. — Slipper flower.(Bot.) Slipperwort. — Slipper limpet, or Slipper shell (Zoöl.), a boat shell.

SLIPPER
Slip"per, a. Etym: [AS. slipur.]

Defn: Slippery. [Obs.]
O! trustless state of earthly things, and slipper hope Of mortal men.
Spenser.

SLIPPERED
Slip"pered, a.

Defn: Wearing slippers. Shak.

SLIPPERILY
Slip"per*i*ly, adv.

Defn: In a slippery manner.

SLIPPERINESS
Slip"per*i*ness, n.