He worked himself up from a tailor's assistant to one of the finest flute virtuosi. September 28, 2011 Nice Word! See more. The kithara was the virtuoso's instrument, generally known as taking a great deal of skill. Virtuoso. General (29 matching dictionaries) virtuoso: Cambridge Advanced Learner's Dictionary [home, info] virtuoso: Wiktionary [home, info] virtuoso: Webster's New World College Dictionary, 4th Ed. 1610–20;