ROACH

I. noun (plural ~; also ~es) Etymology: Middle English roche, from Anglo-French roche, rosse Date: 13th century a silver-green European freshwater cyprinid fish ( Rutilus rutilus ), any of several American freshwater sunfishes (family Centrarchidae), II. noun Etymology: origin unknown Date: 1794 a curved cut in the edge of a sail to prevent chafing or to secure a better fit, a roll of hair brushed straight back from the forehead or side of the head, III. transitive verb Date: 1818 to cut (as a horse's mane) so that the remainder stands upright, to cause to arch, IV. noun Etymology: by shortening Date: circa 1848 cock~ , the butt of a marijuana cigarette