(Science: botany) a shrub of the genus Berberis, common along roadsides and in neglected fields. B. Vulgaris is the species best known; its oblong red berries are made into a preserve or sauce, and have been deemed efficacious in fluxes and fevers. The bark dyes a fine yellow, especially. The bark of the root. Also spelt berberry.
Origin: oe. Barbarin, barbere, OF. Berbere.