Agnus Dei
/ˌæɡnəs ˈdeɪ.i/noun
High School
1
A liturgical chant recited as part of the Mass, beginning with those words, or the music to which it is set.
2
A small model, picture, or heraldic representation of a lamb with a cross and sometimes a flag (usually white with a red cross).
3
A bar of wax imprinted with a similar shape and blessed by the Pope.