1. (n.) A narrow board, thicker at one edge than at the other; -- used for weatherboarding the outside of houses.

2. (n.) A stave for a cask.

3. (v. t.) To cover with clapboards; as, to clapboard the sides of a house.

Formica Masonite asphalt beam billet blacktop board boarding brick canvas carpeting cobblestone concrete cord cordwood cork tile deal driftwood fiber glass firewood flag flagging flagstone flooring hardwood lath lathing lathwork linoleum log lumber macadam panelboard paneling panelwork pantile paper parquet pavement pavestone paving plank planking plasterboard plyboard plywood pole post puncheon roofage roofing roofing paper shake sheathing sheathing board sheeting shingle sideboard siding slab slat slate softwood splat spun glass stave stick stick of wood stone stovewood tar paper thatch three-by-four tile tilestone tiling timber timbering timberwork two-by-four veneer wainscoting wallboard walling wallpaper weatherboard wood