liliopsid family li·liop·sid·family uncommon noun 1. family of flowering plants having a single cotyledon (embryonic leaf) in the seed Synonymsmonocot familyliliopsid family Related words Broader terms family Narrower terms liliid monocot familyJuncaceaeAraceaeAcoraceaeLemnaceaeOrchidaceaeBurmanniaceaeGramineae Parts Dicotyledones WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
