- 1 Greek Mythology the god of love, son of Aphrodite. Roman equivalent Cupid.
- [mass noun] (in Freudian theory) the life instinct. Often contrasted with Thanatos.
- [mass noun] (in Jungian psychology) the principle of personal relatedness in human activities, associated with the anima. Often contrasted with Logos.
Latin, from Greek, literally 'sexual love'