antiphon
an.ti.phon \'ant-*-f*n, -.fa:n\ n [LL antiphona - more at ANTHEM] 1: a psalm, anthem, or verse sung antiphonally 2: a verse usu. from Scripture said or sung liturgically before and after a canticle, psalm, or psalm verse
Webster's English Dictionaryan.ti.phon \'ant-*-f*n, -.fa:n\ n [LL antiphona - more at ANTHEM] 1: a psalm, anthem, or verse sung antiphonally 2: a verse usu. from Scripture said or sung liturgically before and after a canticle, psalm, or psalm verse