Slab

Slab, n. That which is slimy or viscous; moist earth; mud; also, a puddle. [Obs.] Evelyn.

Slab (?), n. [OE. slabbe, of uncertain origin; perhaps originally meaning, a smooth piece, and akin to slape, Icel. sleipr slippery, and E. slip, v. i.] 1. A thin piece of anything, especially of marble or other stone, having plane surfaces. Gwilt.

2. An outside piece taken from a log or timber in sawing it into boards, planks, etc.

3. (Zoöl.) The wryneck. [Prov. Eng.]

4. (Naut.) The slack part of a sail.

Slab line (Naut.), a line or small rope by which seamen haul up the foot of the mainsail or foresail. Totten.

Slab, a. [Cf. Gael. & Ir. slaib mud, mire left on a river strand, and E. slop puddle.] Thick; viscous. [Obs.]

Make the gruel thick and slab.
Shak.