Clap"board (?), n.
1.
A narrow board, thicker at one edge than at the other; -- used for weatherboarding the outside of houses.
[U. S.]
2.
A stave for a cask.
[Eng.]
Halliwell.
© Webster 1913.
Clap"board, v. t.
To cover with clapboards; as, to clapboard the sides of a house.
[U. S.]
Bartlett.
© Webster 1913.