slab (n.)
- bar
- beam
- billet
- board
- boarding
- chunk
- clapboard
- coat
- coating
- collop
- cord
- cordwood
- covering
- cut
- deal
- disk
- driftwood
- film
- firewood
- flap
- foil
- fold
- glop
- gunk
- hardwood
- hunk
- ingot
- lamella
- lamina
- lap
- lath
- leaf
- log
- lumber
- lump
- membrane
- mire
- muck
- ooze
- pane
- panel
- paneling
- patina
- peel
- pellicle
- piece
- plait
- plank
- planking
- plate
- plating
- ply
- plyboard
- plywood
- pole
- post
- rasher
- rod
- scum
- shake
- sheathing
- sheet
- sheeting
- shingle
- sideboard
- siding
- skin
- slat
- slice
- slime
- slob
- slop
- sludge
- slum
- slush
- softwood
- splat
- stave
- stick
- strip
- table
- tablet
- timber
- two-by-four
- veneer
- wafer
- weatherboard
- wedge
- wood