Fustet \Fus"tet\, n. [F. fustet (cf. Sp. & Pg. fustete), LL. fustetus, fr. L. fustis stick, in LL., tree, See {1st Fust}, and cf. {Fustic}.] The wood of the Rhus Cptinus or Venice sumach, a shrub of Southern Europe, which yields a fine orange color, which, however, is not durable without a mordant. --Ure.