Maestro (//; from the Italian maestro [maˈestro; maˈɛstro], meaning "master" or "teacher") is an honorific title of respect (plural: maestros or maestri). The term is most commonly used in the context of Western classical music and opera, in line with the ubiquitous use of Italian musical terms.
The word maestro is most often used in addressing or referring to conductors. Less frequently, one might refer to respected composers, performers, impresarios, musicologists, and music teachers.
In the world of Italian opera, the title is also used to designate a number of positions within the orchestra and company that have specific duties during rehearsal and performance. These include: