Pronunciation : Quer"cit*ron Part of Speech : n. Etymology : [F. quercitron, the name of the name of tree; L. quercus an oak + citrus the citron tree.] Definition : 1. The yellow inner bark of the Quercus tinctoria, the American black oak, yellow oak, dyer's oak, or quercitron oak, a large forest tree growing from Maine to eastern Texas.
2. Quercitrin, used as a pigment. See Quercitrin. Source : Webster's Unabridged Dictionary, 1913