'Quadroon' definitions:

Definition of 'quadroon'

From: WordNet
noun
An offspring of a mulatto and a white parent; a person who is one-quarter black

Definition of 'Quadroon'

From: GCIDE
  • Quadroon \Quad*roon"\, n. [F. quarteron, or Sp. cuarteron. See Quarter a fourth part, and cf. Quarteron.] The offspring of a mulatto and a white person; a person quarter-blooded. [Written also quarteron, quarteroon, and quateron.] [1913 Webster]