arrow — An arrow is a written or printed sign that consists of a straight line with another line bent at a sharp angle at one end. This is a printed arrow: →. The arrow points in a particular direction to indicate where something is.
harrow — a borough of Greater London, in SE England.
narrow — of little breadth or width; not broad or wide; not as wide as usual or expected: a narrow path.
Three-syllable rhymes
broad arrow — a mark shaped like a broad arrowhead designating British government property and formerly used on prison clothing
disc harrow — a harrow with sharp-edged slightly concave discs mounted on horizontal shafts and used to cut clods or debris on the surface of the soil or to cover seed after planting
disk harrow — a harrow having a number of sharp-edged, concave disks set at such an angle that as the harrow is drawn along the ground they turn the soil, pulverize it, and destroy weeds.
straight arrow — a person who manifests high-minded devotion to clean living and moral righteousness.
