one of the sloping pieces of wood that support a roof 椽子 Extra ExamplesHe could hear something moving about under the rafters. 他能听到椽子下有什么东西在动。 Ropes of onions and garlic hung from the ancient rafters. 一串串的洋葱和大蒜吊在老屋的椽子上。 The insulating material can be secured to the sides of the rafters. 绝缘材料可以固定在椽子的侧面。
Oxford Collocations DictionaryRafter is used after these nouns:- roof
Word OriginOld English ræfter, of Germanic origin; related to raft sense (1).