IPA: //ˈkwʌɪərˌmɑːstər//
KK: /ˈkwī(ə)rˌmastər/
A person who leads and directs a choir, especially in a church or musical setting.
The choirmaster conducted the choir during the Sunday service.
Choirmaster → It is formed from "choir" (from Old French *queor*, meaning a group of singers) and "master" (from Old English *maegester*, meaning one who has control or authority). The word "choirmaster" refers to a person who leads or directs a choir.
Think of a 'group of singers' ('choir') being led by someone in charge ('master'). This helps you remember that a choirmaster is the leader of a choir.