
Open English Wordnet
Nouns
(n)stopper(bridge) a playing card with a value sufficiently high to insure taking a trick in a particular suit“if my partner has a spade stopper I can bid no trump” Verbs
(v)stopper, stoppleclose or secure with or as if with a stopper“She stoppered the wine bottle”,
“The mothers stoppered their babies' mouths with pacifiers”