Webster's Revised Unabridged Dictionary · 1913

Choral

Choral , adjective

[Late Latin choralis, from Latin chorus. See Chorus.]

Of or pertaining to a choir or chorus; singing, sung, or adapted to be sung, in chorus or harmony.
Collocations (1)
Choral service , a service of song.

Choral , noun

(Music) A stately hymn tune; a simple sacred tune, sung in unison by the congregation, used mostly in Protestant (especially Lutheran) churches; as, the Lutheran chorals.

Also: chorale