d͡ʒɛm ˈdʒɛmˌstoʊn ˈdʒuːəl ˈmʌfɪn stəʊn stoʊn stɐʉn ˈtɹɛʒɚ ˈtɹɛʒə art highly prized for its beauty or perfection a precious or semiprecious stone incorporated into a piece of jewelry a sweet quick bread baked in a cup-shaped pan a person who is as brilliant and precious as a piece of jewelry a crystalline rock that can be cut and polished for jewelry he had the gem set in a ring for his wife she had jewels made of all the rarest stones