Definition from Wiktionary, the free dictionary
- (usually uncountable) line engraving, copper-plate engraving (a type of engraving on copper plates where the design is made up of a series of lines; its use was formerly common for postage stamps and paper currency)
- (countable) print made on a board engraved using this method
- The French term is often used directly in English, where it should be italicized.
- Douglas and Mary Patrick, The Musson Stamp Dictionary, Toronto, Musson Book Co., 1972, ISBN 0-7737-0006-4