Sickle/ˈsɪkl/ Definition 1 of 3Pro Tip 1/3Agricultural Tool Understand sickle as a farmer's instrument, mostly used before modern machinery. They displayed old sickles at the agricultural museum. Pro Tip 2/3Physical Motion Using a sickle involves a swinging motion which can be tiring, signifying hard work. Harvesting rice with a sickle requires a strong arm. Pro Tip 3/3Cutting Action The sickle's curved blade is designed to slice through materials effectively. After sharpening the sickle, cutting the thick barley was much easier.