(n) medium to large deciduous timber tree of the eastern United States and southeastern Canada having dark outer bark and yellow inner bark used for tanning; broad five-lobed leaves are bristle-tipped, Syn. Quercus velutina, quercitron, yellow oak, quercitron oak
n. [ F. quercitron, the name of the name of tree; L. 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. [ 1913 Webster ]
2. Quercitrin, used as a pigment. See Quercitrin. [ 1913 Webster ]