(dated, chiefly historical) A person considered three-fourths white, having one non-white grandparent.
- 1938, Xavier Herbert, Capricornia, Chapter V, p. 63; Chapter VIII, p. 120 https://archive.org/details/capricornianovel00herb
Diana was a black quadroon, her father being a blackfellow.
He was the father of four quadroons who were regarded as half-castes because the lighter part of their mother's blood was Asiatic, and he was only too well aware of what their future would be should he desert them.