n an act so striking or impressive that the show must be delayed until the audience quiets down
n a remark to which there is no polite conversational reply
n (bridge) a playing card with a value sufficiently high to insure taking a trick in a particular suit
n blockage consisting of an object designed to fill a hole tightly
v close or secure with or as if with a stopper
n. 阻塞物, （尤指）瓶塞( stopper的名词复数 )