belonging to the Ulmaceae, the elm family of plants.
Compare elm family.
Origin of ulmaceous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
of, relating to, or belonging to the Ulmaceae, a temperate and tropical family of deciduous trees and shrubs having scaly buds, simple serrated leaves, and typically winged fruits: includes the elms
Word Origin for ulmaceous
C19: via New Latin Ulmāceae, from Latin ulmus elm tree
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012