English edit

 
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Etymology edit

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Is this a reference to dambuster?”)

Noun edit

jambuster (plural jambusters)

  1. (Manitoba, Northwestern Ontario) A doughnut filled with jam.
    Synonyms: bismarck, Burlington bun, jam doughnut, jelly doughnut

Hypernyms edit

References edit

  • “jambuster” in the Canadian Oxford Dictionary, Second Edition, Oxford University Press, 2004.