From Longman Dictionary of Contemporary Englishon the slabon the slabinformalDEAD lying dead in a hospital or mortuary → slab
Examples from the Corpus
on the slab• Little piles of cartridges accumulated on the slab - there was nothing else whatever in any of the pockets.• Once on the slab my boots failed to bite.• The holds all take the form of bumps and ripples on the slab. 