| Locust 1. (n.) Any one of numerous species of long-winged, migratory, orthopterous insects, of the family Acrididae, allied to the grasshoppers; esp., (Edipoda, / Pachytylus, migratoria, and Acridium perigrinum, of Southern Europe, Asia, and Africa. In the United States the related species with similar habits are usually called grasshoppers. See Grasshopper. 2. (n.) The locust tree. Thesaurus Entries Klaxon, boiler factory, boiler room, bull-roarer, candor, catcall, cherry bomb, cicada, cicala, clack, clacker, clapper, cracker, dog-day cicada, fair play, fair shake, fair-mindedness, fairness, firecracker, good sportsmanship, grasshopper, hopper, hoppergrass, horn, locust, noisemaker, rattle, rattlebox, siren, snapper, sportsmanlikeness, sportsmanliness, sportsmanship, square deal, steam whistle, the fair thing, the handsome thing, the proper thing, ticktack, whistle, whizgig, whizzer | ![]() |