A large, flat piece of solid material; a solid object that is large and flat.
A paving stone; a flagstone.
(Australia) A carton containing 24 cans (chiefly of beer).
An outside piece taken from a log or timber when sawing it into boards, planks, etc.
(nautical) The slack part of a sail.
(US, slang) A large, luxury pre-1980 General Motors vehicle, particularly a Buick, Oldsmobile, or Cadillac.
(surfing) A very large wave.
(programming) The amount by which a cache can grow or shrink, used in memory allocation.
(geology) Part of a tectonic plate that is being, or has been, subducted.
(construction) A poured-concrete foundation for a building.
(geometry) A region between two parallel lines in the Euclidean plane, or between two parallel planes in three-dimensional Euclidean space, or between two hyperplanes in higher dimensions.
(Southern US, slang) A car that has been modified with equipment such as loudspeakers, lights, special paint, hydraulics, and other accessories.
(computing) A sequence of 12 adjacent bits, serving as a byte in some computers.
(transitive) To make something into a slab.