What is another word for choir practice?

There isn't a single perfect synonym for "choir practice" because it's a very specific term. However, depending on the context, you could use these alternatives:

Formal:

* Rehearsal (This is the most general and neutral option)

* Choir rehearsal (More specific than just "rehearsal")

* Vocal practice (Focuses on the singing aspect)

* Chorus practice (If you are talking about a chorus instead of a choir)

Informal:

* Choir session

* Singing practice

* Choir run-through

* Practice session (For a more casual tone)

The best word to use will depend on the specific situation and the intended audience.