Definition of responsorially in English:
responsorially
adverb
Christian Church
With reference to liturgical singing or chanting: alternately or with responses.
Pronunciation
responsorially
/rɪspɒnˈsɔːrɪəli/ /ˌrɛspɒnˈsɔːrɪəli/ Origin
Mid 19th century. From responsorial + -ly.