genus Reseda ge·nus·re·seda uncommon noun 1. Old World genus of herbs having racemose flowers: mignonette; dyer''s rocket Synonymsgenus Reseda Related words Broader terms dilleniid dicot genus Parts Resedaceae Part of resedamignonettedyer's rocket WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.