Definition of anus in English:

anus

noun

Anatomy Zoology
  • The opening at the end of the alimentary canal through which solid waste matter leaves the body.

    • ‘This is one of two muscles that control the opening of the anus.’
    • ‘The rectum, at the end of the colon, is where faeces collect before they are expelled through the anus as a bowel movement.’
    • ‘The colon is removed and the end of the small intestine is joined to the anus.’
    • ‘During this procedure, a flexible instrument with its own light, called an endoscope, is passed in through the anus.’
    • ‘The large intestine or large bowel consists of the colon and the section before the anus, the rectum.’

Origin

Late Middle English: from Latin, originally a ring.

Pronunciation:

anus

/ˈeɪnəs/