Ulmaceae ul·ma·ceae uncommon noun 1. a dicot family of the order Urticales including: genera Ulmus; Celtis; Planera; Trema Synonymsfamily Ulmaceaeelm family Related words Broader terms dicot family Parts Urticales Part of UlmusCeltisPlaneraTrema WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
