cerberus
n. கீழுலகினைப் பாதுகாப்பதாகக் கருதப்படும் மூன்று தலைநாய்.
Cer"be*rus, n. Etym: [L. Cerberus (in sense 1), gr. 1. (Class. Myth.) Defn: A monster, in the shape, of a three-headed dog, guarding the entrance into the infernal regions, Hence: Any vigilant custodian or guardian, esp. if surly. 2. (Zoöl.) Defn: A genus of East Indian serpents, allied to the pythons; the bokadam.