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
You can also check other dicts: choir (English, 中文解释 ), wordnet sense, Collins Definition