1. any of various deciduous trees of the genus Ulmus, characteristically having arching or curving branches and serrate leaves with asymmetrical bases. elms are widely planted as shade trees.
2. the wood of one of these trees.

1. a tree of the genus Ulmus of the family Ulmaceae, large deciduous trees with alternate stipulate leaves and small apetalous flowers
2. wood from an elm tree

1. A tree of the genus Ulmus, of several species, much used as a shade tree, particularly in america. the english elm is Ulmus campestris; the common american or white elm is U. Americana; the slippery or red elm, U. fulva.

1. the common name for species of Ulmus (which see), mostly large trees, some common in cultivation for shade and ornament, for which the majestic height and the wide-spreading and gracefully curving branches of the principal kinds admirably adapt them.
2. of other varieties of elm (comprising some trees more or less closely related to the elm and a few belonging to different families but somewhat resembling elms: those given below are among the most important.
3. the wing-elm or winged elm. see wahoo,.
4. the winged elm, Ulmus alata, so called in florida and arkansas.
5. Ulmus serotina, a tree of limited distribution on limestone hills and river-banks in southern Kentucky and northern Alabama and georgia, only recently distinguished from U. fulva, from which it differs in its much smaller fruit, in the absence of mucilage in the inner bark, and in other respects. the wood is reddish in color.

1. hard tough wood of an elm tree; used for e.g. implements and furniture
2. any of various trees of the genus Ulmus: important timber or shade trees