a garden on rocky ground or among rocks, for the growing of alpine or other plants.
a garden decorated with rocks, usually a wide variety of interestingly shaped, multicolored rocks, especially quartz.
Origin of rock garden
First recorded in 1830–40
Also called rockery.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a garden featuring rocks or rockeries
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012