SG Heritage Dictionary

Antiphonal [\N] Webster's Dictionary 1828

1. ANTIPH'ONAL ,

2. ANTIPH'ONARY, noun [contrary, and sound, voice.]

3. A service book, in the Catholic church, containing all the invitatories, responsories, collects, and whatever is said or sung in the choir, except the lessons; called also a responsary; compiled by Gregory the Great.

Antiphonal [Adjective] Webster's Dictionary 1913

Of or pertaining to antiphony, or alternate singing; sung alternately by a divided choir or opposite choirs.

Antiphonal [Noun] Webster's Dictionary 1913

A book of antiphons or anthems.