antiphonal

Of or pertaining to antiphony, or alternate singing; sung alternately by a divided choir or opposite choirs. Wheatly. -- An*tiph"o*nal*ly, adv. A book of antiphons or anthems.

Source: Webster's Revised Unabridged Dictionary (1913), United States public domain. See methodology for full licensing detail. Word validity for game play may differ from any official game dictionary.