false saffron fal·se·saff·ron uncommon noun 1. thistlelike Eurasian plant widely grown for its red or orange flower heads and seeds that yield a valuable oil Synonymssafflowerfalse saffronCarthamus tinctorius Related words Broader terms herb Parts Carthamus Part of safflower seedsafflower oil WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.