
1) Mixed-blood
Found on
https://www.crosswordclues.com/clue/quadroon

Quadroon, and the associated words quarteron, octoroon and quintroon are terms that, historically, were applied to define the ancestry of people of mixed-race, generally of African and European ancestry in the slave societies of the Americas, but also, within Australia, to those of Aboriginal and European ancestry. Governments incorporated the ter...
Found on
http://en.wikipedia.org/wiki/Quadroon

old term for a person of one-quarter black ancestry
Found on
http://phrontistery.info/q.html

• (n.) The offspring of a mulatto and a white person; a person quarter-blooded.
Found on
http://thinkexist.com/dictionary/meaning/quadroon/
Quad·roon' noun [ French
quarteron , or Spanish
cuarteron . See
Quarter a fourth part, and confer
Quarteron .] The offspring of a mulatto and a white person; a person quarter-blooded. [ Written also
quarteron ,
quarteroon , and
quateron .]
Found on
http://www.encyclo.co.uk/webster/Q/3

[
n] - an offspring of a Mulatto and a White parent
Found on
http://www.webdictionary.co.uk/definition.php?query=Quadroon
noun an offspring of a Mulatto and a White parent; a person who is one-quarter Black
Found on
https://www.encyclo.co.uk/local/20974

a person having one-fourth black ancestry; the offspring of a mulatto and a white.
Found on
https://www.infoplease.com/dictionary/quadroon
No exact match found.