choir noun

ADJ. massed a massed choir of local schoolchildren | 50-strong, etc. | ladies', male-voice, mixed, etc. | school | cathedral, church, etc.

VERB + CHOIR be in, sing in She sings in the church choir. | conduct | accompany

CHOIR + NOUN practice Choir practice is on Wednesday evenings.

PREP. in a/the ~ two of the girls in the choir