senna

S1E1N1N1A1
/ˈsɛnə/

noun

Any 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.

OriginItalian Senna →
Less commonScrabble 5
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Meanings

senna1

nounsenna (countable and uncountable, plural sennas)

plural sennas

  1. 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.
  2. uncountableThe dried leaves or pods of these plants (especially of Senna alexandrina, syn. Cassia angustifolia or Cassia acutifolia), used medicinally.
  3. countableuncountablemedicineSenna glycoside, a laxative.

Senna2

proper nounSenna (plural Sennas)

plural Sennas

  1. A surname from Italian.

Synonyms & antonyms

Also see
senna glycoside

Origin

senna · noun

From Arabic سَنَا (sanā, “senna”).

Full word history & related roots →

Senna · proper noun

  1. ItalianSenna
  2. EnglishSenna

Borrowed from Italian Senna; this surname is predominantly attested in Brazil, however it is not of Portuguese origin.

More words from Italian

Full word history & related roots →

Rhymes & wordplay

Rhymes with senna

antennaViennaJennasiennahennagenaGlennaKennaAvicennarectennaTorpenhow
All rhymes →
Cite this entry
APA

senna. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/senna

MLA

“senna.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/senna. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “senna,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/senna.

Source: senna on Wiktionary, CC BY-SA 4.0.