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n.1.(Bot.) Any plant of the genus Astragalus. See Milk vetch.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Pollination biology of the exotic rattleweed Crotalaria retusa L.
A member of the buttercup family, black cohosh is a perennial plant native to North America that also is known as black snakeroot, bugbane, bugwort, rattleroot, rattletop, rattleweed and macrotys, according to the National Institutes of Health.