Whortleberry definition

Any of various deciduous shrubs of the genus Vaccinium of the heath family having edible blue, black, or red berries, especially the bilberry.

The fruit of any of these plants.

Any of various American plants, as the huckleberry.

Either of two European blueberries (Vaccinium myrtillus or V. uliginosum) having pink flowers and blue or blackish edible berries with a powdery bloom.

Any of these berries.