What is the X in X-mas?
(Heb. 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). Heb. 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.
farm implement used to pulverize soil, break up crop residues, uproot weeds, and cover seed. In Neolithic times, soil was harrowed, or cultivated, with tree branches; shaped wooden harrows were used by the Egyptians and other ancient peoples, and the Romans made harrows with iron teeth.
outer borough of London, forming part of its northwestern perimeter, in the historic county of Middlesex. Previously a municipal borough, Harrow became a London borough in 1965. It includes (from northwest to southeast) the areas of Pinner Green, Hatch End, Stanmore, Pinner, Harrow Weald, Burnt Oak, Harrow Garden Village, Harrow (with Harrow on the Hill), Wealdstone, Northolt Park, and Roxeth.