What does the word leak mean?

Usage examples for leak

  1. It was disheartening, but if we could only get at the leak and stop some of the water from flowing into her, we might get her up a bit and then she would move faster. – Mr. Trunnell by T. Jenkins Hains
  2. He turned from the screen and went to the bathroom, took a leak and washed Marjeel's taint from his hands, then combed his hair and headed back out to the bedroom. – An Encounter in Atlanta by Ed Howdershelt
  3. Perhaps he might stop the leak. – Lost in the Fog by James De Mille