Outrider :: Outrider (n.) A summoner whose office is to cite men before the sheriff.
Outrider :: Outrider (n.) One who rides out on horseback.
Outrider :: Outrider (n.) A servant on horseback attending a carriage.
Outrigger :: Outrigger (n.) Any spar or projecting timber run out for temporary use, as from a ship's mast, to hold a rope or a sail extended, or from a building, to support hoisting teckle..
Outrigger :: Outrigger (n.) A projecting support for a rowlock, extended from the side of a boat..