Quĕr'çĭt-ron, n.

(Synop., § 130), n. [Fr. quercitron, from Lat. quercus, an oak, and citrus, the citron-tree.]

1. The bark of Quercus tinctoria, black oak, or dyer's oak, which grows from Canada to Georgia, and west to the Mississippi. It frequently attains the height of 70 or 80 feet, and is one of the largest trees of the American forest.
2. The inner bark of Quercus tinctoria, used in tanning, and in dyeing yellow.