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Elm

(Science: botany) 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. Elm beetle, a large sawfly (Cimbex Americana). The larva, which is white with a black dorsal stripe, feeds on the leaves of the elm.

Origin: as. Elm; akin to D. Olm, OHG. Elm, g. Ulme, Icel. Almr, dan. & Sw. Alm, L. Ulmus, and E. Alder. Cf. Old.