(esp. in the United States and continental Europe) the leader of an orchestra, the first violin.

One who leads a choir or band of dancers, musicians, or singers. leader of praise (Scottish) = precentor, n.

Music. An assistant or deputy conductor of an orchestra, choir, etc.

U.S. colloquial. A piano player in a saloon, brothel, dance hall, etc. Also: an orchestra leader. Now historical.

Music. The most prominent part in a piece played by an orchestra, esp. a jazz band; the player or instrument that plays this; the leader of a…