quadroon

noun

1. (dated, historical)A person considered three-fourths white, having one non-white grandparent.

   “There were slow boys and bashful boys, feeble boys and riotous boys, boys that lisped and boys that stuttered, one or two lame ones, and a merry little quadroon, who could not be taken in elsewhere, but who was welcome to the ‘Bhaer-garten’, though some people predicted that his admission would ruin the school.”

   “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.”

adj

1. (dated, historical, not-comparable)Of or related to quadroons.

   “Before them, with her face upraised, In timid attitude, Like one half curious, half amazed, A Quadroon maiden stood.”

   “"What need you getting drunk, then, and cutting up, Prue?" said a spruce quadroon chambermaid, dangling, as she spoke, a pair of coral ear-drops.”

   “The quadroon girl is sold at the auction-stand, the drunkard nods by the bar-room stove, […]”