'Huckleberry' definitions:

Definition of 'huckleberry'

noun

Any of various dark-fruited as distinguished from blue- fruited blueberries

noun

Any of several shrubs of the genus Gaylussacia bearing small berries resembling blueberries

noun

Blue-black berry similar to blueberries and bilberries of the eastern United States

From: GCIDE

Huckleberry \Huc"kle*ber`ry\, n. [Cf. Whortleberry.] (Bot.) (a) The edible black or dark blue fruit of several species of the American genus Gaylussacia, shrubs nearly related to the blueberries (Vaccinium), and formerly confused with them. The commonest huckelberry comes from Gaylussacia resinosa. (b) The shrub that bears the berries. Called also whortleberry. [1913 Webster]
Squaw huckleberry. See Deeberry. [1913 Webster]