What does "slab" mean?

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

Additional senses

  1. 2.(Zoöl.) The wryneck. [Prov. Eng.]
  2. 3.(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.
  3. 4.Thick; viscous. [Obs.] Make the gruel thick and slab. Shak.
  4. 5.That which is slimy or viscous; moist earth; mud; also, a puddle. [Obs.] Evelyn.

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