1. a person who collects rocks and minerals as a hobby
Usage: informal

Examples

• My uncle is a rockhound who spends weekends searching for interesting specimens.
• The rockhound discovered a beautiful piece of quartz in the desert.
• Local rockhounds gathered at the mineral show to trade specimens.
• She became a rockhound after finding her first geode as a child.
• The rockhound’s collection included samples from all fifty states.
• Every summer, the rockhound club organizes field trips to promising locations.