·noun Quercitrin, used as a pigment. ·see Quercitrin.
II. Quercitron ·noun 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.
♦ Quercus tinctoria, the name of a North American oak, which affords a valuable yellow dye. ...
The Sailor's Word-Book