1.Definition: (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"

Category: Objects

2.Definition: a remark to which there is no polite conversational reply

Category: General

3.Definition: an act so striking or impressive that the show must be delayed until the audience quiets down

Related Noun(s):showstopper

Category: General

4.Definition: blockage consisting of an object designed to fill a hole tightly

Related Noun(s):plug, stopple

Category: Objects