the world > the supernatural > supernatural being > mythical creature or object > [adjective] > of characters from classical mythology > of Cerberus (6)
Three-headed (in quot. 1577 loosely, consisting of three heads); spec. of a muscle: Having three heads or points of origin (see B.).
Of, pertaining to, or resembling Cerberus.
Having, or uttered with, three tongues; three-tongued.