Any evergreen shrub or tree, of the genus Juniperus and order Coniferæ. Note: The common juniper (J. communis) is a shrub of a low, spreading form, having awl-shaped, rigid leaves in whorls of threes, and bearing small purplish blue berries (or galbuli), of a warm, pungent taste, used as diuretic and in flavoring gin. A resin exudes from the bark, ...