Definitions

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

  • n. See locoweed.

from the GNU version of the Collaborative International Dictionary of English

  • n. any of several leguminous plants of Western North America causing locoism in livestock.

from The Century Dictionary and Cyclopedia

  • n. A name given to various plants growing in the western United States, the eating of which by horses and cattle producesemaciation, nervous derangements, and death: often called loco-weed (which see). Among them are species of Astragalus, Oxytropis, and perhaps some plants of other genera.

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

  • n. any of several leguminous plants of western North America causing locoism in livestock
  • n. any of several leguminous plants of western North America causing locoism in livestock

Etymologies

From its toxic effect on some animals.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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