D defs.my
Entry 1 sense Webster, 1913

Copper-bottomed

· Cop·per-bot·tomed · IPA
01 a. Having a bottom made of copper, as a tin boiler or other vessel, or sheathed with copper, as a ship.
  1. 1.
    Having a bottom made of copper, as a tin boiler or other vessel, or sheathed with copper, as a ship.