stopper

A stopper is plug or a cork — it's designed to block the opening of a container by fitting partially inside it. The rubber plug you use to keep your bath water from going down the drain is a type of stopper.

The cork in the neck of a wine bottle is a stopper . Other kinds of stoppers halt or prevent something. A crime stopper keeps criminals at bay, and a conversation stopper is something you say that is so awkward or profound that no one can think of anything to say in response.

Definitions of stopper
1

n blockage consisting of an object designed to fill a hole tightly

Synonyms:
plug, stopple
Types:
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bung, spile
a plug used to close a hole in a barrel or flask
bottle cork, cork
the plug in the mouth of a bottle (especially a wine bottle)
drainplug
a removable plug for holding water in a tub or basin
earplug
a plug of cotton, wax, or rubber that is fitted into the ear canal for protection against the entry of water or loud noise
fipple
a wooden plug forming a flue pipe (as the mouthpiece of a recorder)
tampion, tompion
plug for the muzzle of a gun to keep out dust and moisture
tampon
plug of cotton or other absorbent material; inserted into wound or body cavity to absorb exuded fluids (especially blood)
spigot, tap
a plug for a bunghole in a cask
Tampax
tampon used to absorb menstrual flow
Type of:
block, blockage, closure, occlusion, stop, stoppage
an obstruction in a pipe or tube

n a remark to which there is no polite conversational reply

Synonyms:
conversation stopper
Type of:
comment, input, remark
a statement that expresses a personal opinion or belief or adds information

n an act so striking or impressive that the show must be delayed until the audience quiets down

Synonyms:
show-stopper, showstopper
Type of:
act, bit, number, routine, turn
a short theatrical performance that is part of a longer program

n (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”
Type of:
playing card
one of a pack of cards that are used to play card games

v close or secure with or as if with a stopper

“She stoppered the wine bottle”
“The mothers stoppered their babies' mouths with pacifiers”
Synonyms:
stopple
Type of:
plug, secure, stop up
fill or close tightly with or as if with a plug

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