<p><strong>Noun</strong></p><ul><li>A dilated formation or part.</li><li>Pathology: An abnormal enlargement of an aperture or a canal of the body.</li><li>Surgery: An enlargement made in a body aperture or canal for surgical or medical treatment.</li><li>A restoration to normal patency of an abnormally small body opening or passageway, as of the anus or esophagus.</li><li>Mechanics: The increase in volume per unit volume of a homogeneous substance.</li></ul><p><strong>End of Response</strong></p>