D defs.my
Entry 1 sense Webster, 1913

Copperplate

/(kŏp"pẽr*plāt`)/ · Cop·per·plate · IPA /ˈkɑpərˌpleɪt/
01 n. A plate of polished copper on which a design or writing is engraved.
  1. 1.
    A plate of polished copper on which a design or writing is engraved.
Phrases & compounds
Copperplate press — See Plate press, under Plate.