- [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.
- A disease in a hawk.
Etymology: OE. rie reie, AS. ryge; akin to Icel. rugr, Sw. råg, Dan. rug, D. rogge, OHG. rocco roggo, G. rocken roggen, Lith. rugei, Russ. roje, and perh. to Gr. 'o`ryza rice. Cf. Rice