Definition of "responsory" [re•spon•so•ry]

• A chant or anthem recited or sung after a reading in a church service. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Here's one labeled "TENEBRAE FACTAE SUNT, Responsorio ambrosiano" an Ambrosian responsory, that is, I believe for Good Friday, but will look more at this:"
• "We then proceeded to learn chant for the reformed Roman rite and in the evening, we gathered for first Vespers of the Baptism of the Lord, using the new antiphons from the Solesmes antiphonal and the responsory, 'Hodie in Iordane'."
• "At the conclusion, entering the sanctuary, the choir sang the responsory, "Gaude Maria Virgo" or the prose, "Inviolata" or some other antiphon in honour of the Blessed Virgin."