mescal bean
- an evergreen shrub or small tree, Sophora secundiflora, of the legume family, of the southwestern U.S. and northern Mexico, having clusters of fragrant, violet-blue flowers and pods containing highly poisonous, bright red seeds.
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Origin of mescal bean
An Americanism dating back to 1855–60
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018