Cer ‧ be ‧ rus /ˈsɜːb ə rəs $ ˈsɜːr-/ BrE AmE
in Greek ↑ mythology , a dog with three heads who guarded the entrance to ↑ Hades (=the place where the spirits of dead people are supposed to live)
Cer ‧ be ‧ rus /ˈsɜːb ə rəs $ ˈsɜːr-/ BrE AmE
in Greek ↑ mythology , a dog with three heads who guarded the entrance to ↑ Hades (=the place where the spirits of dead people are supposed to live)
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012