%fustic%

n. [ F. fustoc, Sp. fustoc. Cf. Fustet. ] The wood of the Maclura tinctoria, a tree growing in the West Indies, used in dyeing yellow; -- called also old fustic. [ Written also fustoc. ] [ 1913 Webster ]

☞ Other kinds of yellow wood are often called fustic; as that of species of Xanthoxylum, and especially the Rhus Cotinus, which is sometimes called young fustic to distinguish it from the Maclura. See Fustet. [ 1913 Webster ]