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stopper

stop·per

stopper

pronunciation:
sta pr
parts of speech:
noun, transitive verb
part of speech: noun
definition: a device that blocks an opening, esp. to prevent leakage of liquid; plug.
similar words:
plug, stop, tap
 
part of speech: transitive verb
inflections: stoppered, stoppering, stoppers
definition: to block or plug with a stopper.
similar words:
occlude, plug
derivation: stopperless (adj.)