■ noun
1》 a plug for sealing a hole, especially in the neck of a bottle.
2》 (in soccer or American football) a player whose function is to block attacks on goal from the middle of the field.
↘ Baseball a pitcher who prevents opponents from scoring highly.
3》 (in sailing or climbing) a rope or clamp for preventing a rope or cable from being run out.
■ verb [usu. as adjective ~ed ] seal with a ~.
Phrases
put a (or the ) ~ on informal prevent.