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1. An implement having a crescent-shaped blade attached to a short handle, used for cutting grain or tall grass.
2. The cutting mechanism of a reaper or mower.
v. sick·led, sick·ling, sick·les
1. To cut with a sickle.
2. To deform (a red blood cell) into an abnormal crescent shape.
To assume an abnormal crescent shape. Used of red blood cells.
Shaped like the blade of a sickle; crescent-shaped: a sickle moon.