elm Meaning, Definition & Usage

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

WordNet

Elm noun
Etymology
AS. elm; akin to D. olm, OHG. elm, G. ulme, Icel. almr, Dan. & Sw. alm, L. ulmus, and E. alder. Cf. Old.
Definitions
  1. (Bot.) 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.

Webster 1913