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Definition of senna

senna

/ˈsɛn.ə/
sen · na
Plural:sennas
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senna Lexical Profile

senna Game Scores & Validity

• noun

1

A natural stimulant laxative prepared from the dried leaves or pods of certain senna plants, commonly used to treat constipation.

Example

"The doctor recommended taking a mild dose of senna before bedtime to alleviate the patient's digestive discomfort."

2

Any of various leguminous shrubs, trees, or herbs of the genus Senna, native to tropical and subtropical regions, typically bearing pinnate leaves and yellow flowers.

Example

"The gardener planted a wild senna to attract sulfur butterflies, which rely on the plant as a host for their larvae."

Synonyms
View all synonyms for senna

• Rhymes for senna

• Nearby Words

senegal
senegal bichir
senegal cobra
senna
sensor
seoul
separatrix

Word Origin & Etymology

From Arabic 'sanā' (the name of the plant), which entered Middle English via Medieval Latin 'senna'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Senna. In Wordmom Dictionary. Retrieved Oct 15, 2026, from https://wordmom.com/dictionary/senna
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