Definition of stopple in English:

stopple

noun

North American
  • A stopper or plug.

    • ‘As late as 1825, these stopples were still the closure of choice.’
    • ‘But word soon came over a radio that no stopples for pipelines this large could be found in the region on short notice.’
    • ‘The stopple prevents inadvertent ejection of material stored in the hollow needle/push rod assembly.’
    • ‘The advantage of a bottle stopple is that it will require less copper during the cleaning process.’
    • ‘You simply fill the inside with copper and polish, place it inside the canister and fill the canister with copper and polish and secure it with the stopples as shown.’
    stopper, stop, plug, bung, peg, spigot, spile, seal
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verb

[WITH OBJECT]North American
  • Seal with a stopper.

    block, block off, block up, stop up, plug, seal, seal off, seal up, shut off, shut up, cork, stopper
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Origin

Middle English: partly a shortening of Old French estouppail bung, reinforced by the verb stop.

Pronunciation:

stopple

/ˈstɒp(ə)l/