Definition of slab
1
: a thick plate or slice (as of stone, wood, or bread): such as
a
: the outside piece cut from a log in squaring it
b
: concrete pavement (as of a road);
specifically
: a strip of concrete pavement laid as a single unjointed piece
c (1)
: a flat rectangular architectural element that is usually formed of a single piece or mass
- a concrete foundation slab
(2)
: a rectangular building having little width with respect to its length and usually height
2
: something that resembles a slab (as in size, shape, or density)
- backed up by a solid slab of reference material
- —The Times Literary Supplement (London)
3
: a hard plastic holder for a collectible coin and an identifying insert
