The definition of a locust is a type of grasshopper that migrates in huge numbers quickly eating the plants in their path, or a hardwood tree with fragrant white flowers.(noun)
An example of a locust is the plague told about in Exodus 10:1-20 in the New International Version of the Bible.
See locust in Webster's New World College Dictionary
Origin: ME < L locusta, prob. akin to lacerta, lizard
See locust in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Old French locuste
Origin: , from Latin locusta
Origin: . Sense 3a, probably from the resemblance of its fruit to a locust.
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