Definition of: Eros

(ir′os, er′os)
1. In Greek mythology, the god of love, youngest of the gods, son of Aphrodite and Zeus, Ares, or Hermes; identified with the Roman Cupid.
2. Astron. An asteroid of the sixth magnitude, discovered in 1898, and used in determination of the distance of the sun from the earth.
3. Psychoanal, a The libido, b The sum total of the life–preserving and self–preserving instincts: opposed to Thanatos.