What does "copper" mean?

Copper: A coin made of copper; a penny, cent, or other minor coin of copper. [Colloq.] My friends filled my pockets with coppers. Franklin.

Additional senses

  1. 2.A vessel, especially a large boiler, made of copper.
  2. 3.pl. Specifically (Naut.), the boilers in the galley for cooking; as, a ship's coppers. Note: Copper is often used adjectively, commonly in the sense of made or consisting of copper, or resembling copper; as, a copper boiler, tube, etc. All in a hot and copper sky. Coleridge. Note: It is sometimes written in combination; as, copperplate, coppersmith, copper-colored. Copper finch. (Zoöl.) See Chaffinch. -- Copper glance, or Vitreous copper. (Min.) See Chalcocite. -- Indigo copper. (Min.) See Covelline.
  3. 4.To cover or coat with copper; to sheathe with sheets of copper; as, to copper a ship.

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