any of several locusts that migrate in great swarms, especially Locusta migratoria, of Africa and Asia.
- migrating abscess,
- migration inhibition test,
Origin of migratory locust
First recorded in 1870–75
Also called migratory grasshopper.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for migratory locust
The Migratory-locust, Locusta migratoria, a rather small insect, is the most celebrated species of the family.