etch
1. etch \'ech\ vb [D etsen, fr. G a:tzen, lit., to feed, fr. OHG azzen] 1: to produce esp. on metal or glass by the corrosive action of an acid; (Xalso : to subject to such etching 2: to delineate or impress clearly : to practice etching - etch.er n 2. etch n : a chemical agent used in etching