noun
: any of several native grapes of eastern No. America with foxy fruit of sour or musky flavor: as
a. : muscadine 2
b. : chicken grape
c. : a tall-growing grape ( Vitis labrusca ) that has heavily tomentose young growth and compact thyrses of bluish black to pink or greenish white fruits which are sharp and acid until fully ripe and that is an ancestor of most hardy American cultivated grapes