Quercitron
Quercitron , noun
[French quercitron, the name of the name of tree; Latin quercus an oak + citrus the citron tree.]
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.