rid ‧ ing /ˈraɪdɪŋ/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ ride , ↑ rider , ↑ riding , ↑ override ; verb : ↑ ride , ↑ override ; adjective : ↑ overriding ]
[ Date: 1200-1300 ; Origin: ride ]
the sport or activity of riding horses:
horse riding
Shall we go riding on Saturday?
riding school/stables (=place where people learn to ride horses)