In classical mythology, a Trojan priest of Apollo and a visionary, brother of Anchises. He and his sons were killed by serpents when he foresaw disaster for Troy in the Trojan horse left by the Greeks. The scene of their death is the subject of a classical marble group, rediscovered in the Renaissance, and forms an episode in Virgil’s Aeneid.
(Greek mythology) The priest of Apollo who warned the Trojans to beware of Greeks bearing gifts when they wanted to accept the Trojan Horse; Poseidon or Athena sent snakes who coiled around Laocoon and his two twin sons killing them.