Definition of "Etch" :
verb: selectively dissolve the surface of (a semiconductor or printed circuit) with a solvent, laser, or stream of electrons
verb: carve or cut a design or letters into
verb: carve or cut into a block used for printing or print from such a block
verb: make an etching of
"He etched her image into the surface."
verb: cause to stand out or be clearly defined or visible
"A face etched with pain."