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|(Bot.)||a yellow-flowered leguminous shrub (Coronilla Emerus) having a slender joined pod, like a scorpion's tail. The leaves are said to yield a dye like indigo, and to be used sometimes to adulterate senna.|
See also: Scorpion
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.