noun one who, or that which, slips.
2. slipper ·adj slippery.
3. slipper ·noun a kind of apron or pinafore for children.
4. slipper ·noun a kind of brake or shoe for a wagon wheel.
5. slipper ·noun a kind of light shoe, which may be slipped on with ease, and worn in undress; a slipshoe.
6. slipper ·noun a piece, usually a plate, applied to a sliding piece, to receive wear and afford a means of adjustment;
also called shoe, and gib.