senna

noun sen·na \ ˈse-nə \

Definition of senna

1 :any of a genus (Cassia synonym Senna) of leguminous herbs, shrubs, and trees native to warm regions :cassia 2; especially :one used medicinally
2 :the dried leaflets or pods of various sennas (especially Cassia angustifolia synonym Senna alexandrina) used as a purgative

Recent Examples of senna from the Web

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Origin and Etymology of senna

New Latin, from Arabic sanā


Medical Dictionary

senna

noun sen·na \ ˈsen-ə \

medical Definition of senna

1 :any of a genus (Cassia synonym Senna) of leguminous plants of warm regions; especially :one used medicinally
2 :the dried leaflets or pods of various sennas (especially Cassia angustifolia synonym Senna alexandrina) used as a purgative

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