Rye \Rye\ (r[imac]), n. [OE. rie, reie, AS. ryge; akin to Icel.
   rugr, Sw. r[*a]g, Dan. rug, D. rogge, OHG. rocco, roggo, G.
   rocken, roggen, Lith. rugei, Russ. roje, and perh. to Gr.
   'o`ryza rice. Cf. Rice.]
   1. (Bot.) A grain yielded by a hardy cereal grass (Secale
      cereale), closely allied to wheat; also, the plant
      itself. Rye constitutes a large portion of the breadstuff
      used by man.
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   2. A disease in a hawk. --Ainsworth.
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   Rye grass, Italian rye grass, (Bot.) See under Grass.
      See also Ray grass, and Darnel.

   Wild rye (Bot.), any plant of the genus Elymus, tall
      grasses with much the appearance of rye.
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Ray grass \Ray" grass`\ (r[=a]" gr[.a]s`). [Etymol. of ray is
   uncertain.] (Bot.)
   A perennial European grass (Lolium perenne); -- called also
   rye grass, and red darnel. See Darnel, and Grass.
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   Italian ray grass or Italian rye grass. See Darnel, and
      Grass.
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