a gem distinguished for its beauty and rarity, used in jewelry.
Origin of precious stone
Middle English word dating back to 1250–1300
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any of certain rare minerals, such as diamond, ruby, sapphire, emerald, or opal, that are highly valued as gemstones
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