the plant family Ulmaceae, typified by deciduous trees having simple and often toothed leaves, small petalless flowers, winged fleshy or nutlike fruit, and watery sap, and including the elm, hackberry, and planer tree.
ELM FAMILY
Meaning of ELM FAMILY in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012