Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of numerous grasshoppers of the family Acrididae, often migrating in immense swarms that devour vegetation and crops.
  • n. The seventeen-year locust.
  • n. Any of several North American deciduous trees of the genus Robinia, especially R. pseudoacacia, having compound leaves, drooping clusters of fragrant white flowers, and durable hard wood.
  • n. Any of several similar or related trees, such as the honey locust or the carob.
  • n. The wood of one of these trees.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A type of grasshopper in the family Acrididae that flies in swarms and is very destructive to crops and other vegetation.
  • n. A locust tree.

from the GNU version of the Collaborative International Dictionary of English

  • n. Any one of numerous species of long-winged, migratory, orthopterous insects, of the family Acrididæ, allied to the grasshoppers; esp., (Edipoda migratoria, syn. 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.
  • n. The locust tree. See Locust Tree (definition, note, and phrases).

from The Century Dictionary and Cyclopedia

  • n. One of the orthopterous saltatorial insects of the family Acridiiæ, popularly known as grasshoppers, and more correctly called short-horned grasshoppers.
  • n. An orthopterous saltatorial insect of the genus Locusta, family Locustidæ.
  • n. A homopterous insect of the genus Cicada, family Cicadidæ, such as the harvest-fly, Cicada tibicon, and the seventeen-year locust, or periodical cicada, Cicada septendecim. See cut under Cicadidæ.
  • n. A cockchafer; a beetle.
  • To devour and lay waste like locusts; ravage.
  • n. A well-known tree of the United States, Robinia Pseudacacia, with thorny branches, delicate pinnate leaves, and dense clusters of white heavily scented flowers.
  • n. The carob-tree, Ceratonia Siligua. See Ceratonia and carob.
  • n. The wood of the locust-tree.
  • n. A club or billy used by policemen: so called because commonly made of locust-wood.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. migratory grasshoppers of warm regions having short antennae
  • n. hardwood from any of various locust trees
  • n. any of various hardwood trees of the family Leguminosae

Etymologies

Middle English, from Old French locuste, from Latin locusta. Sense 3a, probably from the resemblance of its fruit to a locust.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Old French langouste, from Latin locusta ("locust, crustacean, lobster"). (Wiktionary)

Examples

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