weatherboard

noun
  1. 1

    The windward side of a vessel.

  2. 2

    A plank placed over an opening to keep out driven water.

  3. 3

    Any of a series of horizontal boards used to cover the exterior of a timber-framed building; clapboard.

verb
  1. 1

    To cover with a weatherboard.

Source: https://en.wiktionary.org/wiki/weatherboard