A relative of grasshoppers and crickets, in the family Tettigoniidae.
Any of the grasshoppers, often polyphenic and usually swarming, in the family Acrididae that are very destructive to crops and other vegetation, (especially) the migratory locust (Locusta migratoria).
A cicada.
A Mainlander.
Any of various often leguminous trees and shrubs, especially of the genera Robinia and Gleditsia; the locust tree.
A fruit or pod of the carob tree.
To come in a swarm.