Choral \Cho"ral\, a. [LL. choralis, fr. L. chorus. See Chorus.]

Of or pertaining to a choir or chorus; singing, sung, or adapted to be sung, in chorus or harmony.

Choral service, a service of song.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Choral \Cho"ral\, n. (Mus.) A hymn tune; a simple sacred tune, sung in unison by the congregation; as, the Lutheran chorals. [Sometimes written chorale.]

Source: Webster's Revised Unabridged Dictionary (1913)