1. (n.) A metallic vein or rich supply; as a lode of ore\; any regular vein or course, whether metallic or not.

2. (n.) A water course or way; a reach of water.

Eldorado Golconda bonanza chimney chute cornucopia country rock deposit dike font fount fountain gangue gold mine gravy train lodestuff matrix mine mine of wealth mineral deposit mother lode ore bed pay dirt quarry resource rich lode rich uncle shoot source source of supply spring staple stock vein well wellspring