Wordnet 3.0
ADJECTIVE (1)
1.
having a bottom of copper or sheathed with copper;
- Example: "copper-bottomed pots"- Example: "a copper-bottomed ship"
The Collaborative International Dictionary of English v.0.48:
Copper-bottomed \Cop"per-bot`tomed\, a.
Having a bottom made of copper, as a tin boiler or other
vessel, or sheathed with copper, as a ship.
[1913 Webster]
WordNet (r) 3.0 (2006):
copper-bottomed
adj 1: having a bottom of copper or sheathed with copper;
"copper-bottomed pots"; "a copper-bottomed ship"