What is the meaning of Senna?

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.

The dried leaves or pods of these plants (especially of Senna alexandrina, syn. Cassia angustifolia or Cassia acutifolia), used medicinally.

senna glycoside, a laxative.

quarrel, row, slanging match

senna

senna (medicinal preparation)

fishing net

a large trammel

seine (net)

feminine nominative/vocative singular of senny

Source: wiktionary.org