The Collaborative International Dictionary of English v.0.48:

Kama \Ka"ma\ (k[aum]"m[aum]), n. [Skr. k[=a]ma love, the god of
   love.]
   1. The Hindu Cupid. He is represented as a beautiful youth,
      with a bow of sugar cane or flowers.
      [1913 Webster]

   2. Desire; animal passion;

   Note: supposed to create the

   ka"ma ru"pa (r[=oo]p[.a]) [Skr. r[=u]pa shape, image], a
      kind of simulacrum or astral likeness of a man which
      exists after his death in an invisible plane of being,
      called

   ka"ma lo"ca (l[=o]"k[.a]) [Skr. l[=o]ka space, world],
      until the impulses which created it are exhausted and it
      finally fades away.
      [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

Kama
    n 1: Hindu god of love and erotic desire; opposite of Mara