- the red, acid fruit or berry of certain plants of the genus Vaccinium, of the heath family, as V. macrocarpon(large cranberry, or American cranberry ) or V. oxycoccus(small cranberry, or European cranberry ), used in making sauce, relish, jelly, or juice.
- the plant itself, growing wild in bogs or cultivated in acid soils, especially in the northeastern U.S.
- any of several trailing ericaceous shrubs of the genus Vaccinium, such as the European V. oxycoccus, that bear sour edible red berries
- the berry of this plant, used to make sauce or jelly
