meadow saffron mea·dow·saff·ron uncommon noun 1. bulbous autumn-flowering herb with white, purple or lavender-and-white flowers; native to western and central Europe Synonymsautumn crocusmeadow saffronnaked ladyColchicum autumnale Related words Broader terms bulbous plant Parts Colchicum WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.