Word Origin for copper-bottomed
Examples from the Web for copper-bottomed
His copper-bottomed ships came up with and captured six of the enemy, five of which were English prizes.
He'd find evidence of lung trouble in a copper-bottomed boiler if it wheezed letting off steam.Facts And Fictions Of Life|Helen H. Gardener
It's real, copper-bottomed English; you see it on all the old-time wayside hostelries over there.The Wrecker|Robert Louis Stevenson and Lloyd Osbourne