Definition of etch

• n. - A variant of Eddish.
• v. t. - To produce, as figures or designs, on mental, glass, or the like, by means of lines or strokes eaten in or corroded by means of some strong acid.
• v. t. - To subject to etching; to draw upon and bite with acid, as a plate of metal.
• v. t. - To sketch; to delineate.
• v. i. - To practice etching; to make etchings.