from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Greek & Roman Mythology A three-headed dog guarding the entrance to Hades.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A taxonomic genus within the family Colubridae — certain water snakes..
- proper n. The three-headed dog who guards the entrance to Hades; and one of the many offspring of Echidna and Typhon.
- proper n. A former constellation of the northern sky, near Hercules.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
- n. A genus of East Indian serpents, allied to the pythons; the bokadam.
from The Century Dictionary and Cyclopedia
- n. In class. myth., the watch-dog of the infernal regions, the offspring of the giant Typhaon and the serpent-woman Echidna.
- n. In herpetology, a genus of East Indian serpents, related to the pythons, having the head entirely covered with small scales.
- n. A constellation of Hevelius, formed out of four small stars of the constellation Hercules, and now obsolete.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (Greek mythology) the three-headed dog guarding the entrance to Hades; son of Typhon
From Ancient Greek Κέρβερος (Kerberos) (Wiktionary)