1. An instrument for mowing grass, grain, or the like, by hand, composed of a long, curving blade, with a sharp edge, made fast to a long handle, called a snath, which is bent into a form convenient for use. The sharp-edged scythe shears up the spiring grass. (Dryden) The scythe of time mows down. (milton)
2. A scythe-shaped blade attached to ancient war chariots.
Origin: OE. Sithe, AS. Sioe, sigoe; akin to Icel. Sigor a sickle, LG. Segd, seged, seed, seid, OHG. Segansa sickle, scythe, G. Sense scythe, and to E. Saw a cutting instrument. See Saw
Alternative forms: sithe and sythe.