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Synonyms

rock hound

American  
Or rockhound

noun

Informal.

  1. a geologist.

  2. an amateur collector of rocks, fossils, or minerals.

Etymology

Origin of rock hound

An Americanism dating back to 1920–25

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.