Of the Egyptians resembled that in modern use. The ears of corn were cut with it near the top of the straw. There was also a sickle used for warlike purposes, more correctly, however, called a pruning-hook (Deuteronomy 16:9; Jeremiah 50:16, marg., "scythe;" Joel 3:13; Mark 4:29).

Noah Webster's New International Dictionary of the English Language

1. (n.) A reaping instrument consisting of a steel blade curved into the form of a hook, and having a handle fitted on a tang. The sickle has one side of the blade notched, so as always to sharpen with a serrated edge. Cf. Reaping hook, under Reap.

2. (n.) A group of stars in the constellation Leo.