castanea sativa(n = noun.plant) european chestnut, spanish chestnut, sweet chestnut - wild or cultivated throughout southern Europe, northwestern Africa and southwestern Asia;
is a kind of chestnut, chestnut tree

avena sativa, camelina sativa, cannabis sativa, castanea, castanea chrysophylla, castanea crenata, castanea dentata, castanea mollissima, castanea ozarkensis, castanea pumila, daucus carota sativa, eruca sativa, eruca vesicaria sativa, genus castanea, lactuca sativa, lactuca sativa asparagina, lactuca sativa capitata, lactuca sativa crispa, lactuca sativa longifolia, madia sativa, medicago sativa, nigella sativa, oryza sativa, pastinaca sativa, vicia sativa