Concord grape

[kong-kerd, kon-kawrd, kong-] /ˈkɒŋ kərd, ˈkɒn kɔrd, ˈkɒŋ-/
noun
1.
a cultivated variety of the fox grape, Vitis labrusca, used in making jelly, juice, and wine.
Origin
1855-60, Americanism
British Dictionary definitions for Concord grape

Concord grape

/ˈkɒŋkəd; ˈkɒnkɔːd/
noun
1.
a variety of grape with purple-black fruit covered with a bluish bloom
Word Origin
C19: discovered at Concord, Mass.