Meaning of Agnus Dei

Ag•nus De•i

Pronunciation: (ag'nus dē'ī, de'ē ä'ny&oobreves de'ē), [key]
    1. a figure of a lamb as emblematic of Christ.
    2. such a representation with the nimbus inscribed with the cross about its head, and supporting the banner of the cross.
  1. a prayer addressed to Christ as Savior preceding the communion in the Mass.
  2. a musical setting of this prayer.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.