—n.
1 a plug for closing a bottle etc.
2 a person or thing that stops something.
3 Naut. a rope or clamp etc. for checking and holding a rope cable or chain cable.
—v.tr. close or secure with a stopper.
Phrases and idioms:
put a stopper on
1 put an end to (a thing).
2 keep (a person) quiet.
Useful english dictionary. 2012.