ˈechə(r) noun
( -s )
: one that etches: as
a. : an artist who hand-etches on metal or glass
b.
(1) : one that hand-etches copper or steel plates for use in printing
(2) : a worker who immerses such plates in the acid-etching solution
c. : one that dips a copper roller for use in printing textiles into an acid bath to etch the design previously scratched on its surface
d. : one that etches designs, trademarks, figures, or numbers on cutlery or firearms by hand or machine
e. : a worker who cleans metal airplane parts with an acid to prepare them for welding