Harrow

Hebrew noun: harits -- a tribulum or sharp threshing sledge; a frame armed on the under side with rollers or sharp spikes (2 Sam. 12:31; 1 Chr. 20:3)

Hebrew verb: sadad -- to harrow a field, break its clods (Job 39:10; Isa. 28:4; Hos. 10: 11). Its form is unknown. It may have resembled the instrument still in use in Egypt.