- the inner part of the bark of a North American black oak (Quercus velutina), containing tannin and used in tanning and dyeing
- a yellow dye made from this bark
Origin of quercitron; from Modern Latin quercus ; from L, oak (see quercetin) + citron
- The bright orange inner bark of the eastern black oak, from which a yellow dye is obtained.
- The dye obtained from this bark.
Origin of quercitronBlend of Latin quercus, oak; see perkwu- in Indo-European roots, and citron.