Definitions of huckleberry:

• noun:   blue-black berry similar to blueberries and bilberries of the eastern United States
• noun:   any of several shrubs of the genus Gaylussacia bearing small berries resembling blueberries
• noun:   any of various dark-fruited as distinguished from blue-fruited blueberries
• name:  A surname (very rare: popularity rank in the U.S.: #22192)