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, esp. the bark of the root.
- Any of various shrubs of the genus Berberis having leaves that are often clustered, small yellow flowers, and red, orange, or blackish berries. They are grown as specimen or hedge plants.