maestro /ˈmʌɪstrəʊ 
/ ▸ noun (plural maestri /ˈmʌɪstri/) (plural or maestros)
a distinguished conductor or performer of classical music: the orchestra was strained after clashes with the great maestro.
▪ a distinguished figure in any sphere: a Vietnam vet turned movie maestro.
– ORIGIN early 17th century: Italian, ‘master’, from Latin magister.
EnglishOxford Dictionary of English
