Κέρβερος
From LSJ
διὸ καὶ μεταλάττουσι τὴν φυσικὴν χρῆσιν εἰς τὴν παρὰ φύσιν αἱ δοκοῦσαι παρθένοι τῶν εἰδώλων → therefore those professing to be virgins of the idols even change the natural use into the unnatural (Origen, commentary on Romans 1:26)
English (LSJ)
ὁ, Cerberus, the many-headed dog of Hades, Hes.Th. 311, etc. II name of a bird, Ant.Lib.19.3.