1. (n.) An anthem or psalm sung alternately by a choir or congregation divided into two parts\. Also figuratively.

2. (n.) A musical response; also, antiphonal chanting or signing

Alleluia Anamnesis Benedicite Blessing Canon Collect Communion Consecration Credo Dismissal Epistle Fraction Gloria Gloria Patri Gloria in Excelsis Gospel Gradual Holy Grail Host Introit Kyrie Kyrie Eleison Last Gospel Lavabo Magnificat Miserere Nunc Dimittis Offertory Paternoster Pax Pieta Post-Communion Preface Sanctus Sanctus bell Sangraal Secreta Te Deum Tersanctus Tract Trisagion Vedic hymn alleluia answer anthem antiphon antiphony ark asperger asperges aspergillum bambino beadroll beads candle canticle censer chant chaplet chorale ciborium cross crucifix cruet doxology eucharistial hallelujah holy cross holy water holy-water sprinkler hosanna hymn hymn of praise hymnody hymnography hymnology icon incensory laud mantra matzo menorah mezuzah mikvah monstrance motet offertory offertory sentence osculatory ostensorium paean paschal candle pax phylacteries prayer shawl prayer wheel psalm psalmody pyx relics report response responsory rood rosary sacramental sacred relics sacring bell shofar sukkah tabernacle tallith thurible urceole veronica versicle vigil light votive candle