Clapboard

Part of speech: noun (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.

Part of speech: verb (v.)

To cover with clapboards; as, to clapboard the sides of a house. [U. S.] Bartlett.