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)).