1. a small, round, edible blue-black berry related to the blueberry.
2. the low-growing North American shrub of the heath family that bears the huckleberry.
Word Originlate 16th century: probably originally a dialect name for the bilberry, from dialect huckle ‘hip, haunch’ (because of the plant's jointed stems).
Huckleberry is a name used in North America for several plants in the family Ericaceae, in two closely related genera: Vaccinium and Gaylussacia. Wikipedia