Broad 5-lobed leaves are bristle-tipped

• 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
• Black oak

Wikipedia Word definitions in Wikipedia
Quercitron is a yellow natural dye obtained from the bark of the Eastern Black Oak ( Quercus velutina ), a forest tree indigenous in North America . The name is a shortened form of quercicitron, from Latin quercus , oak, and citron , lemon, and was invented ...

WordNet Word definitions in WordNet
n. a yellow dye made from the bark of the quercitron oak tree 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 5-lobed leaves are bristle-tipped ...

Wiktionary Word definitions in Wiktionary
n. 1 A yellow dye obtained from the bark of the black oak. 2 The black oak tree, (taxlink Quercus velutina species noshow=1), indigenous to North America.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Quercitrin \Quer"cit*rin\, n. [Cf. F. quercitrin. See Quercitron .] (Chem.) A glucoside extracted from the bark of the oak ( Quercus ) as a bitter citron-yellow crystalline substance, used as a pigment and called quercitron .