Lewis & Short

lābrusca (ae) vītis or ūva; also absol.: lābrusca, ae, f., the wild vine, claret-vine: vitis labrusca, Linn.: uva labrusca, Col. 8, 5 fin.: vitis labrusca, Plin. 12, 13, 28, § 48.
Absol.: aspice ut antrum Sylvestris raris sparsit labrusca racemis, Verg. E. 5, 7 Serv. ad loc.; Plin. 23, 1, 14, § 19: omphaciumfit e labrusca, hoc est vite sylvestri, quod vocatur oenanthinum, id. 14, 16, 18, § 98.