drepanon is a harvesting implement held, sent forth, or thrown to reap a crop or vine.

The attested use consistently denotes a harvesting implement in scenes of reaping: it is sent when harvest arrives, held ready, and cast toward the earth to reap grain or harvest the vine.

1. Implement used for reaping · dominant

   All seven verses show the accusative singular neuter form in actions of harvesting. In Mark 4:29 the APB renders the clause "he sends the sickle" when the harvest has come; in Revelation 14:14, Revelation 14:15, Revelation 14:16, Revelation 14:17, Revelation 14:18, and Revelation 14:19, it is held, sent, or thrown in connection with reaping the earth's harvest or harvesting its vine.

   Mark 4:29Revelation 14:14Revelation 14:15Revelation 14:16Revelation 14:17Revelation 14:18

In the Anselm Project Bible: The APB consistently uses "sickle" in these harvesting clauses, including "sharp sickle" in Revelation 14:14, Revelation 14:17, and Revelation 14:18. This repeated wording confirms the scene-level presentation rather than supplying a separate lexical distinction.