'U Americana' definitions:

Definition of 'U Americana'

From: GCIDE
  • Elm \Elm\, n. [AS. elm; akin to D. olm, OHG. elm, G. ulme, Icel. almr, Dan. & Sw. alm, L. ulmus, and E. alder. Cf. Old.] (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. [1913 Webster]
  • Elm beetle (Zo["o]l.), one of several species of beetles (esp. Galeruca calmariensis), which feed on the leaves of the elm.
  • Elm borer (Zo["o]l.), one of several species of beetles of which the larv[ae] bore into the wood or under the bark of the elm (esp. Saperda tridentata).
  • Elm butterfly (Zo["o]l.), one of several species of butterflies, which, in the caterpillar state, feed on the leaves of the elm (esp. Vanessa antiopa and {Grapta comma}). See Comma butterfly, under Comma.
  • Elm moth (Zo["o]l.), one of numerous species of moths of which the larv[ae] destroy the leaves of the elm (esp. Eugonia subsignaria, called elm spanworm).
  • Elm sawfly (Zo["o]l.), a large sawfly (Cimbex Americana). The larva, which is white with a black dorsal stripe, feeds on the leaves of the elm. [1913 Webster]