Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various short-horned grasshoppers that sometimes migrate in immense swarms, devouring vegetation and crops.
  • noun A cicada, especially a periodical cicada.
  • noun Any of several trees of the pea family bearing long pods, especially the black locust, honey locust, and carob.
  • noun The wood of any of these trees.

from The Century Dictionary.

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

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) 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.
  • noun (Zoöl.) a longicorn beetle (Cyllene robiniæ), which, in the larval state, bores holes in the wood of the locust tree. Its color is brownish black, barred with yellow. Called also locust borer.
  • noun (Zoöl.) the rose-colored starling or pastor of India. See Pastor.
  • noun (Zoöl.) an African bird; the beefeater.
  • noun (Bot.) The locust tree. See Locust Tree (definition, note, and phrases).
  • noun (Bot.) a commercial name for the sweet pod of the carob tree.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

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

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

Etymologies

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

[Middle English, from Old French locuste, from Latin locusta. Sense 3a, probably from the resemblance of a carob pod to a grasshopper and the use of both as subsistence food in drier regions of the Near East.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Old French langouste, from Latin locusta ("locust, crustacean, lobster").

Examples

  • The locust is white with warm heart wood, shots of brown and yellow.

    what I did for thanksgiving vacation | clusterflock

  • In modern America, we associate the word locust with a grasshopper-type insect.

    Honey Granola for St. John the Baptist

  • The locust is always the last to open its leaves; they are just beginning to show, and a number of others, which partake of the same character of foliage, have only preceded them by a week or so.

    Rural Hours

  • Bochart supports Margin, "the multitude of your gardens." palmer worm -- A species of locust is here meant, hurtful to fruits of trees, not to herbage or corn.

    Commentary Critical and Explanatory on the Whole Bible

  • It is a point still unsettled, whether the food of him who was sent to prepare the way consisted of fruit or of insects; the name locust being indiscriminately applied to either, and both being used by the inhabitants of Palestine.

    Palestine or the Holy Land From the Earliest Period to the Present Time

  • Some of the ancients have observed that the head of a locust is very like, in shape, to the head of a horse.

    Commentary on the Whole Bible Volume IV (Isaiah to Malachi)

  • Only a few days ago ralph posted such a cogent opinion of what a liberal believes that I was proud to have the word locust in my name.

    Think Progress

  • Only a few days ago ralph posted such a cogent opinion of what a liberal believes that I was proud to have the word locust in my name.

    Think Progress

  • Only a few days ago ralph posted such a cogent opinion of what a liberal believes that I was proud to have the word locust in my name.

    Think Progress

  • Only a few days ago ralph posted such a cogent opinion of what a liberal believes that I was proud to have the word locust in my name.

    Think Progress

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