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.)

Defn: The wryneck. [Prov. Eng.]

4. (Naut.)

Defn: 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 Slab, a. Etym: [Cf. Gael. & Ir. slaib mud, mire left on a river strand, and E. slop puddle.]

Defn: Thick; viscous. [Obs.]
Make the gruel thick and slab. Shak.

SLAB
Slab, n.

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