- a cockroach.
- the butt of a marijuana cigarette.
- a European freshwater fish, Rutilus rutilus, of the carp family.
- any of various similar fishes, as the golden shiner.
- a freshwater sunfish of the genus Lepomis, found in eastern North America.
- Nautical.
- the upward curve at the foot of a square sail.
- (loosely) a convexity given to any of the edges of a sail; round.
- hair combed up from the forehead or temples in a roll or high curve.
- to clip or cut off (the mane of a horse); hog.
- to comb (hair) into a roach.
- U.S. jazz drummer and bandleader.
- a European freshwater cyprinid food fish, Rutilus rutilus, having a deep compressed body and reddish ventral and tail fins
- any of various similar fishes
- short for cockroach
- the butt of a cannabis cigarette
- the amount by which the leech of a fore-and-aft sail projects beyond an imaginary straight line between the clew and the head
- the curve at the foot of a square sail
- Hal, full name Harald Eugene Roach . 1892–1992, US film producer, whose company produced numerous comedy films in the 1920s and 1930s, including those featuring Harold Lloyd and Laurel and Hardy