/ˈsɛnə/
OriginFrom Arabic سَنَا (sanā, “senna”).
- countableAny of several plants of the tribe Cassieae, especially those of the genera Cassia and Senna, whose leaves and pods are used as a purgative and laxative.
- uncountableThe dried leaves or pods of these plants (especially of Senna alexandrina, syn. Cassia angustifolia or Cassia acutifolia), used medicinally.
- countable, uncountableSenna glycoside, a laxative.
Formssennas(plural) · Sennas(plural)