1. (noun)choirmaster, precentor, cantor the musical director of a choir
2. (noun)cantor, hazan the official of a synagogue who conducts the liturgical part of the service and sings or chants the prayers intended to be performed as solos
Definitions of 'cantor'
Webster 1913 Dictionary
1. (noun)cantor a singer; esp. the leader of a church choir; a precentor