[slab] 
noun, verb, slabbed, slab⋅bing.| 1. | a broad, flat, somewhat thick piece of stone, wood, or other solid material. |
| 2. | a thick slice of anything: a slab of bread. |
| 3. | a semifinished piece of iron or steel so rolled that its breadth is at least twice its thickness. |
| 4. | a rough outside piece cut from a log, as when sawing one into boards. |
| 5. | Baseball Slang. rubber (def. 14). |
| 6. | Building Trades. a section of concrete pavement or a concrete floor placed directly on the ground or on a base of gravel. |
| 7. | to make into a slab or slabs. |
| 8. | to cover or lay with slabs. |
| 9. | to cut the slabs or outside pieces from (a log). |
| 10. | to put on in slabs; cover thickly. |
| slab 1 (slāb) n.
[Middle English.] |