quercitron

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a yellow dye made from the bark of the quercitron oak tree
• Hypernyms:
dye, dyestuff
2. 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:
black oak, yellow oak, quercitron oak, Quercus velutina
• Hypernyms:
oak, oak tree