1. Clapboards today are also known as lap siding, wood plank, beveled wood siding and weatherboard

2. The individual boards used in clapboard siding are known as Clapboards; clapboard siding may also be referred to as bevel, lap, or weatherboard siding.

3. Clapboard, also called weatherboard, bevel siding, or lap siding, type of board bevelled toward one edge, used to clad the exterior of a frame building. Clapboards are attached horizontally, each one overlapping the next one down.