any of several hardy, low, evergreen shrubs (genus Empetrum) of the crowberry family, found in N regions
the black, edible berry of any of these shrubs
See crowberry in American Heritage Dictionary 4
(krōˈbĕrˌē)
noun
A low-growing evergreen shrub (Empetrum nigrum) native to cool regions of the Northern Hemisphere and having tiny leaves, small pinkish or purplish flowers, and black, berrylike fruits.