Hastings' Dictionary of the Bible (1898)
HAR'ROW. The verb meaning "to break the clods" is employed in Job 39:10; Isa 28:24; and Hos 10:11, and is believed to indicate the use, occasionally at least, of an instrument analogous to our harrow. " -Smith: Bib. Diet. The word rendered "harrow" in 2 Sam 12:31; 1 Chr 20:3, means a Threshing-instrument, which see.