DICT.TW Dictionary Taiwan

 Rid·ing, a.
 1. Employed to travel; traveling; as, a riding clerk. “One riding apparitor.”
 2. Used for riding on; as, a riding horse.
 3. Used for riding, or when riding; devoted to riding; as, a riding whip; a riding habit; a riding day.
 Riding clerk. (a) A clerk who traveled for a commercial house. [Obs. Eng.] (b) One of the “six clerks” formerly attached to the English Court of Chancery.
 Riding hood. (a) A hood formerly worn by women when riding. (b) A kind of cloak with a hood.
 Riding master, an instructor in horsemanship.
 Riding rhyme Pros., the meter of five accents, with couplet rhyme; -- probably so called from the mounted pilgrims described in the Canterbury Tales. --Dr. Guest.
 Riding school, a school or place where the art of riding is taught.

 riding master
      n : someone who teaches horsemanship