A small straight knife with a very sharp blade used for surgery, dissection and craftwork.
An implement having a semicircular blade and short handle, used for cutting long grass and cereal crops.
Any of the sickle-shaped middle feathers of the domestic cock.
Shaped like the blade of a sickle; crescent-shaped.
Of red blood cells: to assume an abnormal crescent shape.
To deform (as with a red blood cell) into an abnormal crescent shape.
To cut with a sickle.