Dictionary definition · stopper
noun
- an act so striking or impressive that the show must be delayed until the audience quiets down
- a remark to which there is no polite conversational reply
- (bridge) a playing card with a value sufficiently high to insure taking a trick in a particular suit"if my partner has a spade stopper I can bid no trump"
- blockage consisting of an object designed to fill a hole tightly
verb
- close or secure with or as if with a stopper"She stoppered the wine bottle"
Source: Open English WordNet (CC BY 4.0).