copper-bottomed

adjective

1. reliable, esp financially reliable

Word History and Origins

Origin of copper-bottomed¹

from the former practice of coating the bottoms of ships with copper to prevent the timbers rotting

Example Sentences

The very kind of case a real copper-bottomed expert would be some use in!

From Project Gutenberg

But Toplinskys stomach was cast iron and copper bottomed, and just a slight hesitation flickered across his face.

From Project Gutenberg

His copper-bottomed ships came up with and captured six of the enemy, five of which were English prizes.

From Project Gutenberg

The wreck proved to be a beautiful copper-bottomed schooner, of about a hundred and eighty tons burthen.

From Project Gutenberg

Otherwise we caught nothing, as heretofore, because fish most generally avoid copper-bottomed vessels, such as ours.

From Project Gutenberg