slab Meaning, Definition & Usage

  1. noun block consisting of a thick piece of something

WordNet

Slab noun
Etymology
OE. slabbe, of uncertain origin; perhaps originally meaning, a smooth piece, and akin to slape, Icel. sleipr slippery, and E. slip, v. i.
Definitions
  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. Totten.
Slab adjective
Etymology
Cf. Gael. & Ir. slaib mud, mire left on a river strand, and E. slop puddle.
Definitions
  1. Thick; viscous. Obs.
    Make the gruel thick and slab. Shak.
Slab noun
Definitions
  1. That which is slimy or viscous; moist earth; mud; also, a puddle. Obs. Evelyn.

Webster 1913