late 15c., "one who obstructs," agent noun from stop (v.). From 1590s as "something that obstructs;" specific sense "glass plug for a bottle neck" is from 1660s. As a verb from 1670s. Related: Stoppered.
例文
1. She lifted the stopper from the carafe.
彼女はガラス瓶の栓を抜いた。
2.That put a stopper on the rumour.
これでデマは止められた。
3.Papa 's stare is a conventional stopper to our requests.
お父さんの睨みは私たちの要求事項に対するよくある決定的な答えです。
4.He presses the rubber stopper firmly down on the vent.
ゴム栓を蓋の排気孔にしっかりと押し込んだ。
5.The stopper is too tight that it can 't be withdrawn.