1. a vein of metal ore in the earth
Usage: mining
2. a rich source or supply of something
Usage: figurative

Examples

• The miners discovered a rich lode of silver deep underground.
• Geologists mapped the gold lode that ran through the mountain.
• The old mine followed a copper lode for several miles.
• This library is a lode of historical information.
• The region proved to be a lode of artistic talent.
• Scientists found a lode of rare minerals in the cave system.