Eros

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Greek Mythology The god of love, son of Aphrodite.
2. n. Creative, often sexual yearning, love, or desire: "The new playful eros means that impulses and modes from other spheres enter the relations between men and women” ( Herbert Gold).
3. n. Psychiatry Sexual drive; libido.
4. n. The sum of all instincts for self-preservation.

Century Dictionary and Cyclopedia

1. n. Pl. Erotes or Eroses (e-rō′ tēz, ē′ ros-ez). In Greek myth, the god of love, identified by the Romans with Cupid. See Cupid.
2. n. [NL.] In zoology, a genus of malacodermatous beetles, of the family Telephoridæ. There are many species, of Europe and America, as E. mundus of North America.
3. n. In astronomy, No. 433 of the asteroid group, discovered photographically by Witt, at Berlin, in 1898, and for a time provisionally referred to as D. Q. Its orbit is much smaller than that of any other minor planet, its mean distance from the sun being less than that of Mars. Its period is 643.11 days. At times it can approach the earth within about 13,000,000 miles (nearer than any other member of the solar system), and thus furnishes perhaps the most precise of all methods for finding the solar parallax. At these rare approaches it may nearly reach the limit of naked-eye visibility, but it is usually observable only in large telescopes, its diameter being not more than 15 or 20 miles. At certain times there are regular variations in its brightness from which an axial rotation in 5 hours 16 minutes is inferred.

Wiktionary

1. n. Greek mythology The god of love and sexual desire; son of either Erebus and Nyx or Aphrodite and Ares.

GNU Webster's 1913

1. n. (Greek Myth.) Love; the god of love; -- by earlier writers represented as one of the first and creative gods, by later writers as the son of Aphrodite, equivalent to the Latin god Cupid.

WordNet 3.0

1. n. a desire for sexual intimacy
2. n. (Greek mythology) god of love; son of Aphrodite; identified with Roman Cupid