1. The act, art, or practice of engraving by means of acid which eats away lines or surfaces left unprotected in metal, glass, or the like. See etch, v. T.
2. A design carried out by means of the above process; a pattern on metal, glass, etc, produced by etching.
3. An impression on paper, parchment, or other material, taken in ink from an etched plate. Etching figures, a stitch used outline embroidery.