Weath·er-board, v. t. Arch. To nail boards upon so as to lap one over another, in order to exclude rain, snow, etc.
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weatherboard
n 1: a long thin board with one edge thicker than the other; used
as siding by lapping one board over the board below
[syn: clapboard, weatherboarding]
2: the side toward the wind [syn: to windward, windward side,
weather side]