The Collaborative International Dictionary
Responsorial
Responsorial \Re`spon*so"ri*al\ (r?`sp?n*s?"r?-al), a.
Responsory; antiphonal.
--J. H. Newman.
Wiktionary
responsorial
a. 1 Of or pertaining to a response (in all senses) 2 responsive n. A book of liturgical responses
Usage examples of "responsorial".
Blake had lost track of the number of times her eyes had fluttered all the way shut before she jerked back awake at the sound of the church organ or a responsorial reading.