Definify.com
Webster 1913 Edition
Chorister
1.
One of a choir; a singer in a chorus.
Dryden.
2.
One who leads a choir in church music.
[U. S.]
Webster 1828 Edition
Chorister
CHORISTER
, n.1.
Literally, a singer; one of a choir; a singer in a concert.2.
One who leads a choir in church music. This is the sense in the United States.