GEM Meaning of GEM in English I . n. 1.Jewel, precious stone.2.( Bot. ) Bud, germ. II . v. a. 1.Adorn with ~s, be~, jewel, bejewel.2.Embellish, bespangle, spangle. Soule. Dictionary of English synonyms. Словарь английских синонимов. 2012