Definition of senna in English:

senna

noun

  • 1The cassia tree.

    • ‘Even we do not use irrigation and fumigation to our field used for growing senna.’
    • ‘Senna grows in most tropical regions of the world.’
    1. 1.1mass noun A laxative prepared from the dried pods of the cassia tree.
      • ‘A 40-year-old woman with Rett syndrome presented to her general practitioner with a long-standing history of abdominal pain, loss of appetite, and constipation requiring laxatives including senna.’
      • ‘Magnesium hydroxide is less likely to irritate the digestive tract than a stimulant laxative such as senna.’
      • ‘Not only does she use an enema a couple of times a week, but she also drinks laxative tea containing senna all the time.’
      • ‘Do not use strong laxatives, such as the stimulant laxative senna, on a routine basis unless on the advice of doctor, because long term use of such laxatives can be harmful.’
      • ‘The non-osmotic laxatives, phenolphthalein and senna, partly act by stimulating secretory mechanisms in the intestine.’
    2. 1.2 Used in names of plants of the pea family that are similar to senna, e.g. bladder senna.
      • ‘Originally, Alexandrian senna was obtained principally from Sudan, but it is now cultivated in both Egypt and Sudan.’
      • ‘The Department of Environment and Conservation has identified 7 priority actions to help recover the Bladder Senna in New South Wales.’

Origin

Mid 16th century: from medieval Latin sena, from Arabic sanā.

Pronunciation

senna

/ˈsɛnə/