noun

• 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.’

  More example sentences

  • ‘The large intestine or large bowel consists of the colon and the section before the anus, the rectum.’
  • ‘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.’