1. 
   copper-bottomed
   [adj] - having a bottom of copper or sheathed with copper
   Found op http://www.webdictionary.co.uk/definition.php?query=copper-bottomed
   
   
2. 
   Copper-bottomed
   Cop'per-bot`tomed adjective Having a bottom made of copper, as a tin boiler or other vessel, or sheathed with copper, as a ship.
   Found op http://www.encyclo.co.uk/webster/C/157
   
   
3. 
   copper-bottomed
   adjective having a bottom of copper or sheathed with copper; `copper-bottomed pots`; `a copper-bottomed ship`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=copper-bottomed
   
   
4. 
   Copper-bottomed
   • (a.) Having a bottom made of copper, as a tin boiler or other vessel, or sheathed with copper, as a ship.
   Found op http://thinkexist.com/dictionary/meaning/copper-bottomed/
   
   

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