a Mexican plant, Schoenocaulon officinale, of the lily family, having long, grasslike leaves and bitter seeds.
the seeds of this plant, formerly used medicinally and as a source of veratrine and veratridine.

1805–15; < Spanish cebadilla Indian caustic barley, diminutive of cebada barley (feminine) ≪ Latin cibātus (masculine) fodder, nutriment, equivalent to cibā(re) to feed + -tus suffix of v. action Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
sabadilla (ˌsæbəˈdɪlə)
1.  a tropical American liliaceous plant, Schoenocaulon officinale
2.  the bitter brown seeds of this plant, which contain the alkaloids veratrine and veratridine and are used in insecticides
[C19: from Spanish cebadilla, diminutive of cebada barley, from Latin cibāre to feed, from cibus food]

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Example sentences
Extracts from the sabadilla lily and neem trees have been used against a variety of pests.
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