slab definition by Webster's New World
- a piece that is flat, broad, and fairly thick: a slab of concrete, a slab of bread
- any of the rough, outer pieces removed from a log in sawing it into lumber
Origin: Middle English sclabbe
Origin: ; from Scandinavian as in Swedish dialect, dialectal slabb, muddy water: for Indo-European base see slaver
slab definition by American Heritage Dictionary
- A broad, flat, thick piece, as of stone or cheese.
- An outside piece cut from a log when squaring it for lumber.
- Baseball The pitcher's rubber.
- To make or shape into slabs or a slab.
- To cover or pave with slabs.
- To dress (a log) by cutting slabs.
Origin: Middle English.
Origin: Probably of Scandinavian origin; akin to Danish slab, mud.