Cop'per·plate` (kŏp'pẽr*plāt`) noun (a) A plate of polished copper on which a design or writing is engraved. (b) An impression on paper taken from such a plate. » In printing from a copper- or steel plate the lines are filled with ink, the surface of the plate... Found on http://www.encyclo.co.uk/webster/C/157
[n] - a fine style of handwriting based on the writing used on copperplate engravings 2. [n] - a print made from an engraved copperplate 3. [n] - an engraving consisting of a smooth plate of copper that has been etched or engraved Found on http://www.webdictionary.co.uk/definition.php?query=copperplate
a plate of polished copper on which a writing, picture, or design is made by engraving or etching. · a print or impression from such a plate. · engraving or printing of this kind. · a fine, elegant style of handwriting. Found on https://www.infoplease.com/dictionary/copperplate