black caraway noun5 •A Middle Eastern spice plant related to buttercups, Nigella sativa, with dark black, aromatic seeds. •These seeds as spice. •Its fruits, dried and used as a spice. •(India) A spice plant related to caraway and cumin, with dark seeds and an edible root, Bunium bulbocastanum. •A spice plant related to cumin, Elwendia persica. formsblack caraways