Slab

(n.) A thin piece of anything, especially of marble or other stone, having plane surfaces.

Slab - Other Definitions

(n.) A thin piece of anything, especially of marble or other stone, having plane surfaces.
(n.) An outside piece taken from a log or timber in sawing it into boards, planks, etc.
(n.) The wryneck.
(n.) The slack part of a sail.
(a.) Thick; viscous.
(n.) That which is slimy or viscous; moist earth; mud; also, a puddle.