<p><strong>Verb (used with object)</strong></p><ul><li>to cut, bite, or corrode with an acid or the like; engrave with an acid or the like, as to form a design in furrows that when charged with ink will give an impression on paper</li><li>to produce (a design, image, etc.) by this method, as on copper or glass</li><li>to outline clearly or sharply; delineate, as a person’s features or character</li><li>to fix permanently in or implant firmly on the mind; root in the memory: Our last conversation is etched in my memory</li><li>Geology: to cut (a feature) into the surface of the earth by means of erosion: A deep canyon was etched into the land by the river's rushing waters</li></ul><p><strong>Verb (used without object)</strong></p><ul><li>to practice the art of etching</li></ul><p><strong>Noun (Printing)</strong></p><ul><li>an acid used for etching</li></ul>