D defs.my
Entry 1 sense Webster, 1913

Maestro

/(mīs"trō̇; It. mä*ā̇s"trō̇)/ · Ma·es·tro · IPA /ˈmaɪstɹoʊ/
01 n. A master in any art, especially in music; a composer or orchestra conductor.
  1. 1.
    A master in any art, especially in music; a composer or orchestra conductor.