Definition of "virtuoso"

virtuoso

/ˌvɜ.tʃuˈəʊ.səʊ/

noun
plural virtuosos or virtuosi
1. (now historical) An expert in virtù or art objects and antiquities; a connoisseur.
  Quotations
  For, besides the extraordinary Neatness of the Room, it was adorned with a great Number of Nicknacks, and Curiosities, which might have engaged the Attention of a Virtuoso.
  1749, Henry Fielding, chapter 10, in The History of Tom Jones, a Foundling, volume III, London: A[ndrew] Millar, […], book VIII, page 224
2. Someone with special skill or knowledge; an expert.
3. Specifically, a musician (or other performer) with masterly ability, technique, or personal style.
adjective
comparative more virtuoso, superlative most virtuoso
1. Exhibiting the ability of a virtuoso.