Here are some common uses of the term:
* Agnus Dei: A small wax medallion or tablet imprinted with an image of a lamb, blessed by the Pope, and given to the faithful.
* Agnus Dei (prayer): A prayer recited during Catholic Mass, starting with "Lamb of God."
* Agnus castus: A plant, also known as chaste tree or vitex, which was once believed to have aphrodisiac qualities.
In other contexts, "agnus" can also simply mean "lamb" in its literal sense.