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. Found on https://www.infoplease.com/dictionary/elm-family
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.