| ulmus | (n) type genus of family Ulmaceae; deciduous trees having simple serrate leaves; widely distributed in temperate regions, Syn. genus Ulmus |
| american elm | (n) large ornamental tree with graceful gradually spreading branches common in eastern North America, Syn. rock elm, white elm, water elm, Ulmus americana |
| cedar elm | (n) elm of southern United States and Mexico having spreading pendulous corky branches, Syn. Ulmus crassifolia |
| chinese elm | (n) small fast-growing tree native to Asia; widely grown as shelterbelts and hedges, Syn. Ulmus parvifolia |
| dutch elm | (n) any of various hybrid ornamental European shade trees ranging from dwarf to tall, Syn. Ulmus hollandica |
| english elm | (n) broad spreading rough-leaved elm common throughout Europe and planted elsewhere, Syn. Ulmus procera, European elm |
| huntingdon elm | (n) erect vigorous hybrid ornamental elm tree, Syn. Ulmus hollandica vegetata |
| jersey elm | (n) a variety of the English elm with erect branches and broader leaves, Syn. guernsey elm, Ulmus campestris wheatleyi, wheately elm, Ulmus sarniensis, Ulmus campestris sarniensis |
| rock elm | (n) tall widely distributed elm of eastern North America, Syn. Ulmus thomasii |
| september elm | (n) autumn-flowering elm of southeastern United States, Syn. Ulmus serotina, red elm |
| siberian elm | (n) fast-growing shrubby Asian tree naturalized in United States for shelter or ornament, Syn. Ulmus pumila, Chinese elm, dwarf elm |
| slippery elm | (n) North American elm having rough leaves that are red when opening; yields a hard wood, Syn. red elm, Ulmus rubra |
| smooth-leaved elm | (n) European elm with lustrous smooth leaves used as an ornamental, Syn. European field elm, Ulmus carpinifolia |
| water elm | (n) Eurasian elm closely resembling the American elm; thrives in a moist environment, Syn. Ulmus laevis |
| winged elm | (n) North American elm having twigs and young branches with prominent corky projections, Syn. Ulmus alata, wing elm |
| witch elm | (n) Eurasian elm often planted as a shade tree, Syn. wych elm, Ulmus glabra |
