clapboard
noun (especially North American English)(also weatherboard British and North American English)
[uncountable]one of a series of long, narrow, pieces of wood, each with one edge thicker than the other. They are fixed to the outside walls of a house, going from side to side, with the bottom of one over the top of the one below, to cover the wall and protect it from rain and wind 隔板：一系列长而狭窄的木板中的一个，每个木板的一个边缘比另一个厚。它们被固定在房屋的外墙上，从一侧到另一侧，底部的一个在下面的顶部的上方，以覆盖墙壁并保护其免受雨水和风的侵害。 Word Originearly 16th cent. (denoting a piece of oak used for barrel staves or skirting board): partial translation of Low German klappholt ‘barrel stave’, from klappen ‘to crack’ + holt ‘wood’.