Mulatto

from WordNet (r) 3.0 (2006)

mulatto
    n 1: an offspring of a black and a white parent

from The Collaborative International Dictionary of English v.0.48

Mulatto \Mu*lat"to\, n.; pl. {Mulattoes}. [Sp. & Pg. mulato,
   masc., mulata, fem., of a mixed breed, fr. mulo mule, L.
   mulus. See {Mule}.]
   The offspring of a negress by a white man, or of a white
   woman by a negro, -- usually of a brownish yellow complexion.
   [1913 Webster]

from The Devil's Dictionary (1881-1906)

MULATTO, n.  A child of two races, ashamed of both.

from Bouvier's Law Dictionary, Revised 6th Ed (1856)

MULATTO. A person born of one white and one black parent. 7 Mass. R. 88; 2 
Bailey, 558.

from Moby Thesaurus II by Grady Ward, 1.0

35 Moby Thesaurus words for "mulatto":
      Cape Colored, Eurasian, cattalo, citrange, cross, crossbreed,
      griffe, half blood, half-bred, half-breed, half-caste, high yellow,
      hinny, hybrid, ladino, liger, mestee, mestiza, mestizo, metis,
      metisse, mixblood, mixed-blood, mongrel, mule, mustee, octoroon,
      plumcot, quadroon, quintroon, sambo, tangelo, tigon, zebrass,
      zebrule

[email protected]