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pickleworm

American  
[pik-uhl-wurm] / ˈpɪk əlˌwɜrm /

noun

  1. the larva of a pyralid moth, Diaphania nitidalis, that bores into the stem and fruit of squash, cucumber, and other cucurbitaceous plants.


Etymology

Origin of pickleworm

An Americanism dating back to 1865–70; pickle 1 + worm