Rocky Mountain locust

noun

  1. a migratory locust, Melanoplus spretus, that occurs in North America, especially the Great Plains, where swarms cause great damage to crops and other vegetation.

Origin of Rocky Mountain locust

1
An Americanism dating back to1875–80
  • Also called Rocky Mountain grasshopper.

Words Nearby Rocky Mountain locust

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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