Source : Webster's Revised Unabridged Dictionary (1913)

Wheat \Wheat\ (hw[=e]t), n. [OE. whete, AS. hw[=ae]te; akin to
   OS. hw[=e]ti, D. weit, G. weizen, OHG. weizzi, Icel. hveiti,
   Sw. hvete, Dan. hvede, Goth. hwaiteis, and E. white. See
   {White}.] (Bot.)
   A cereal grass ({Triticum vulgare}) and its grain, which
   furnishes a white flour for bread, and, next to rice, is the
   grain most largely used by the human race.

   Note: Of this grain the varieties are numerous, as red wheat,
         white wheat, bald wheat, bearded wheat, winter wheat,
         summer wheat, and the like. Wheat is not known to exist
         as a wild native plant, and all statements as to its
         origin are either incorrect or at best only guesses.

   {Buck wheat}. (Bot.) See {Buckwheat}.

   {German wheat}. (Bot.) See 2d {Spelt}.

   {Guinea wheat} (Bot.), a name for Indian corn.

   {Indian wheat}, or {Tartary wheat} (Bot.), a grain
      ({Fagopyrum Tartaricum}) much like buckwheat, but only
      half as large.

   {Turkey wheat} (Bot.), a name for Indian corn.

   {Wheat aphid}, or {Wheat aphis} (Zo["o]l.), any one of
      several species of Aphis and allied genera, which suck the
      sap of growing wheat.

   {Wheat beetle}. (Zo["o]l.)
   (a) A small, slender, rusty brown beetle ({Sylvanus
       Surinamensis}) whose larv[ae] feed upon wheat, rice, and
       other grains.
   (b) A very small, reddish brown, oval beetle ({Anobium
       paniceum}) whose larv[ae] eat the interior of grains of
       wheat.

   {Wheat duck} (Zo["o]l.), the American widgeon. [Western U.
      S.]

   {Wheat fly}. (Zo["o]l.) Same as {Wheat midge}, below.

   {Wheat grass} (Bot.), a kind of grass ({Agropyrum caninum})
      somewhat resembling wheat. It grows in the northern parts
      of Europe and America.

   {Wheat jointworm}. (Zo["o]l.) See {Jointworm}.

   {Wheat louse} (Zo["o]l.), any wheat aphid.

   {Wheat maggot} (Zo["o]l.), the larva of a wheat midge.

   {Wheat midge}. (Zo["o]l.)
   (a) A small two-winged fly ({Diplosis tritici}) which is very
       destructive to growing wheat, both in Europe and America.
       The female lays her eggs in the flowers of wheat, and the
       larv[ae] suck the juice of the young kernels and when
       full grown change to pup[ae] in the earth.
   (b) The Hessian fly. See under {Hessian}.

   {Wheat moth} (Zo["o]l.), any moth whose larv[ae] devour the
      grains of wheat, chiefly after it is harvested; a grain
      moth. See {Angoumois Moth}, also {Grain moth}, under
      {Grain}.

   {Wheat thief} (Bot.), gromwell; -- so called because it is a
      troublesome weed in wheat fields. See {Gromwell}.

   {Wheat thrips} (Zo["o]l.), a small brown thrips ({Thrips
      cerealium}) which is very injurious to the grains of
      growing wheat.

   {Wheat weevil}. (Zo["o]l.)
   (a) The grain weevil.
   (b) The rice weevil when found in wheat.