Proper noun
Great Rite
English Wikipedia has an article on:Great RiteWikipedia
In Wicca, ritualistic sexual intercourse symbolizing creation. The Great Rite can also be performed symbolically: the high priest plunges the athame, or ritual knife (the male symbol), into a cup or chalice (the female symbol) that is filled with wine and is held by the high priestess.
The Great Rite is almost always performed figuratively using the athame and chalice as symbols of the penis and vagina. Source: Internet