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ulmaceous

[uhl-mey-shuh s]
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adjective
  1. belonging to the Ulmaceae, the elm family of plants.
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Compare elm family.

Origin of ulmaceous

1840–50; < New Latin Ulmace(ae) family name (Ulm(us) a genus (Latin: elm) + -aceae -aceae) + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for ulmaceous

ulmaceous

adjective
  1. 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
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Word Origin

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