stop ‧ per /ˈstɒpə $ ˈstɑːpər/ BrE AmE noun [countable]
[ Word Family: noun : ↑ stop , ↑ stoppage , ↑ stopper ; verb : ↑ stop , ↑ stopper ; adverb : non-stop; adjective : non-stop]
the thing that you put in the top part of a bottle to close it ⇨ cork
—stopper verb [transitive] :
a small, stoppered jar