Third-person singular simple present indicative form of harrow.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "harrows" in a sentence
"If you have access to a tractor, bush hog, and disk harrows you can get the food plot done in about an hour."
"Most farms feature a graveyard of rusting corn harvesters and broken-down wheel harrows."
"Fertile prairies held an irresistible appeal for farmers, especially with the development of steel breaking plows they cut prairie sod more easily than wooden or cast-iron plows and improved harrows, seed drills, mechanical reapers, and threshing machines."