What does agnus dei mean?
The definition of agnus dei
Etym: [L., lamb of God.] (R. C. Ch.)
(a) A figure of a lamb bearing a cross or flag.
(b) A cake of wax stamped with such a figure. It is made from the remains of the paschal candles and blessed by the Pope.
(c) A triple prayer in the sacrifice of the Mass, beginning with the words “Agnus Dei.”