First Known Use: 1543
Dictionary
senna
noun sen·na \ˈse-nə\
Definition of SENNA
1
: any of a genus (Cassia syn. Senna) of leguminous herbs, shrubs, and trees native to warm regions; especially : one used medicinally
2
: the dried leaflets or pods of various sennas (especially C. angustifolia syn. Senna alexandrina) used as a purgative
See senna defined for kids
ADVERTISEMENT
Origin of SENNA
New Latin, from Arabic sanā
Rhymes with SENNA
Medical Dictionary
senna
noun sen·na \ˈsen-ə\
Medical Definition of SENNA
1
: any plant of the genus Cassia; especially : one used medicinally
2
: the dried leaflets or pods of various sennas (especially Cassia acutifolia and C. angustifolia) used as a purgative
Learn More About SENNA
Browse
ADVERTISEMENT
Seen & Heard
What made you want to look up senna? Please tell us where you read or heard it (including the quote, if possible).