cankerworm

[kang-ker-wurm]
noun
the striped, green caterpillar of any of several geometrid moths: a foliage pest of various fruit and shade trees, as Paleacrita vernata (spring cankerworm) and Alsophila pometaria (fall cankerworm)

Origin:
1520–30; canker + worm

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Collins
World English Dictionary
cankerworm (ˈkæŋkəˌwɜːm)
 
n
the larva of either of two geometrid moths, Paleacrita vernata or Alsophila pometaria, which feed on and destroy fruit and shade trees in North America

Collins English Dictionary - Complete & Unabridged 10th Edition
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Easton
Bible Dictionary

Cankerworm definition


(Heb. yelek), "the licking locust," which licks up the grass of the field; probably the locust at a certain stage of its growth, just as it emerges from the caterpillar state (Joel 1:4; 2:25). The word is rendered "caterpillar" in Ps. 105:34; Jer. 51:14, 17 (but R.V. "canker-worm"). "It spoileth and fleeth away" (Nah. 3:16), or as some read the passage, "The cankerworm putteth off [i.e., the envelope of its wings], and fleeth away."

Easton's 1897 Bible Dictionary
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Example sentences
Typically, cankerworm outbreaks last two to three years before natural factors cause their collapse.
Instead of spiders, she stocks her pantry with the paralyzed caterpillars of the cankerworm moth.
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