Sickle
Part of speech: noun
Definition: an implement, having a semicircular blade and short handle, used for cutting long grass and cereal crops
Part of speech: adjective
Definition: Shaped like the blade of a sickle; crescent-shaped.
Part of speech: verb
Definition: To cut with a sickle To deform (as with a red blood cell) into an abnormal crescent shape. To assume an abnormal crescent shape. Used of red blood cells.
Scythe
Part of speech: noun
Definition: An instrument for mowing grass, grain, or the like, by hand, composed of a long, curving blade, with the concave edge sharped, made fast to a long handle, called a snath, which is bent into a form convenient for use.A scythe-shaped blade attached to ancient war chariots.
Part of speech: verb
Definition: To cut with a scythe; to cut off as with a scythe; to mow.