Definitions
1.verbTo 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.
2.verbTo engrave a surface.
3.verbTo make a lasting impression."The memory of 9/11 is etched into my mind."
4.verbTo sketch; to delineate.
5.nounThe art of producing an image from a metal plate into which an image or text has been etched with acid.
6.nounThe image created by this process.