Weath"er*board` (?), n.
1. Naut. (a)
That side of a vessel which is toward the wind; the windward side.
A piece of plank placed in a porthole, or other opening, to keep out water.
2. (a) Arch.
A board extending from the ridge to the eaves along the slope of the gable, and forming a close junction between the shingling of a roof and the side of the building beneath.
A clapboard or feather-edged board used in weatherboarding.
© Webster 1913.