*cush·ion¹/`kʃən; ˈkʊʃən/ n [C] 1 a cloth bag filled with soft material that you sit or lie on to make yourself more comfortable 坐垫; 靠垫; 垫子 2 something that stops one thing from hitting another thing 起垫子作用的东西: The hovercraft rides on a cushion of air. 气垫船悬浮在一层空气的垫子上行驶。