sickle

Boyd’s Bible Dictionary:

(cutter). The reaping and mowing implement of the ancients. In its size and curvature, as represented on Egyptian monuments, it resembled the implement as known to us (Deut. 16:99Seven weeks shalt thou number unto thee: begin to number the seven weeks from such time as thou beginnest to put the sickle to the corn. (Deuteronomy 16:9)).

Strong’s Dictionary of Greek Words:

Number:
1407 (find all occurrences in KJV Bible)
Greek:
δρέπανον
Transliteration:
drepanon
Phonic:
drep’-an-on
Meaning:
from δρέπω (to pluck); a gathering hook (especially for harvesting)
KJV Usage:
sickle