a timber board, with a groove (rabbet) along the front of its top edge and along the back of its lower edge, that is fixed horizontally with others to form an exterior cladding on a wall or roof
Compare clapboard
WordReference Random House Unabridged Dictionary of American English © 2025
weath•er•board
(weᵺ′ər bôrd′, -bōrd′),USA pronunciation n.
v.t.
- Building, British Termsan early type of board used as a siding for a building.
- [Chiefly Brit.]any of various forms of board used as a siding for a building.
- Naval Terms[Naut.]the side of a vessel toward the wind.
v.t.
- Buildingto cover or furnish with weatherboards.
- weather + board 1530–40
Collins Concise English Dictionary © HarperCollins Publishers::
'weatherboard' also found in these entries (note: many are not synonyms or translations):