Definitions for etch

(make an etching of; "He etched her image into the surface")

(cause to stand out or be clearly defined or visible; "a face etched with pain"; "the leafless branches etched against the sky")

(carve or cut into a block used for printing or print from such a block; "engrave a letter")

(carve or cut a design or letters into; "engrave the pen with the owner's name")

(selectively dissolve the surface of (a semiconductor or printed circuit) with a solvent, laser, or stream of electrons)