locust.
Any of the grasshoppers, often polyphenic and usually swarming, in the family Acrididae that are very destructive to crops and other vegetation, especially migratory locusts (Locusta migratoria).
Meaning & usage
Any of the grasshoppers, often polyphenic and usually swarming, in the family Acrididae that are very destructive to crops and other vegetation, especially migratory locusts (Locusta migratoria).
A fruit or pod of a carob tree (Ceratonia siliqua).
Any of various often leguminous trees and shrubs, especially of the genera Robinia and Gleditsia; locust tree.
A cicada.
A mainlander.
A dose of laudanum.
Where this word comes from
Etymology tree Proto-Indo-European *lek-der.? Latin locusta Anglo-Norman locustebor. Middle English locuste English locust Inherited from Middle English locuste, locust, from Anglo-Norman locuste, Middle French locuste, and their source, Latin locustam (“locust, crustacean, lobster”, accusative of locusta). Doublet of langouste. Noun sense 3 (“kind of tree”), originally referring to the carob (compare locust bean), is based on the resemblance of the trees' beanlike seed pods to the insect and is likely a semantic loan from Ancient Greek ἀκρίς (akrís). Noun sense 5 (“mainlander”) is a semantic loan from Cantonese 蝗蟲 /蝗虫 (wong4 cung4), also meaning "locust".
To come in a swarm.
Where this word comes from
Etymology tree Proto-Indo-European *lek-der.? Latin locusta Anglo-Norman locustebor. Middle English locuste English locust Inherited from Middle English locuste, locust, from Anglo-Norman locuste, Middle French locuste, and their source, Latin locustam (“locust, crustacean, lobster”, accusative of locusta). Doublet of langouste. Noun sense 3 (“kind of tree”), originally referring to the carob (compare locust bean), is based on the resemblance of the trees' beanlike seed pods to the insect and is likely a semantic loan from Ancient Greek ἀκρίς (akrís). Noun sense 5 (“mainlander”) is a semantic loan from Cantonese 蝗蟲 /蝗虫 (wong4 cung4), also meaning "locust".
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.