Xan*thox"y*lum (?), n. [NL., from Gr. xanqo`s yellow + xy`lon wood.] Bot.
A genus of prickly shrubs or small trees, the bark and rots of which are of a deep yellow color; prickly ash.
⇒ The commonest species in the Northern United States is Xanthoxylum Americanum. See Prickly ash, under Prickly.
© Webster 1913.