Choirboy (noun)

A boy who sings in a choir, typically in a church.

Origin:

From old english cyrice "church" + boy.

Examples:

1. He was a choirboy at the local church.
2. The choirboy's voice was high and pure.
3. The choirboys were dressed in white robes and singing hymns.
4. Being a choirboy is a great way to learn about music and singing.
5. The choirboy couldn't help but giggle during the service.