re·spon·so·ry (rĭ-spŏn'sə-rē) n.
pl.re·spon·so·ries A chant or anthem recited or sung after a reading in a church service.
[Middle English responsorie, from Late Latin respōnsōrium, from Latin respōnsus, past participle of respondēre, to respond; see respond.] re·spon·so'ri·al (-sôr'ē-əl, -sōr'-) adj.