stopper

/ˈstä-pər/

noun

  1. one that brings to a halt or causes to stop operating or functioning : check: such as

  2. a playing card that will stop the running of a suit

  3. a baseball pitcher depended on to win important games or to stop a losing streak; also : an effective relief pitcher

verb

  1. to close or secure with or as if with a stopper

stopper the bottle

noun

  1. a knot used to prevent a rope from passing through a hole or opening