| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
libido li·bi·do (lĭ-bē'dō, -bī'-)
n. pl. li·bi·dos
The psychic and emotional energy associated with instinctual biological drives.
Sexual desire.
Manifestation of the sexual drive.