couch /ˈkautʃ/ I. n. c1.长沙发:sit at the far end of the couch 坐在沙发的一端 2.(病人受检查时躺的检查台:lie down on the couch 躺在检查台上 ‖II.vt. 表达:couch one’s request 表达某人的请求 His refusal was couched in polite terms. 他委婉地拒绝了。