1. Any of numerous shrubs of the genus Vaccinium bearing blueberries; SYN. blueberry bush.
2. Sweet edible dark-blue berries of either low-growing or high-growing blueberry plants.
Any of various North American acid-soil shrubs of the genus Vaccinium of the heath family. The genus also includes huckleberries, bilberries, deerberries, and cranberries, many of which resemble each other and are difficult to distinguish from blueberries. All have small, elliptical short-stalked leaves, slender green or reddish twigs, and whitish bell-like blossoms. Only true blueberries, however, have tiny granular speckles on their twigs. Blueberries have black or blue edible fruits, often covered with a white powder.