What is the meaning of Etch?

To cut into a surface with an acid or other corrosive substance in order to make a pattern. Best known as a technique for creating printing plates, but also used for decoration on metal, and, in modern industry, to make circuit boards.

To engrave a surface.

To make a lasting impression.

To sketch; to delineate.

Obsolete form of eddish.

Source: wiktionary.org