locoweed

[ loh-koh-weed ]

noun

1. any of various leguminous plants of the genera Astragalus and Oxytropis, of the southwestern U.S. and Mexico, causing locoism in sheep, horses, etc.

locoweed

/ ˈləʊkəʊˌwiːd /

noun

1. any of several perennial leguminous plants of the genera Oxytropis and Astragalus of W North America that cause loco disease in horses, cattle, and sheep

Word History and Origins

Origin of locoweed¹

An Americanism dating back to 1875–80; loco + weed ¹