/ ˈraɪdɪŋ; NAmE / noun
1.
( BrE also ˈhorse riding ) ( NAmE also ˈhorseback riding ) [ U ] the sport or activity of riding horses :
I'm taking riding lessons.
riding boots
( BrE )
to go riding
( NAmE )
to go horseback riding
2.
Riding one of the three former parts of the English county of Yorkshire called the East Riding , the North Riding and the West Riding
ORIGIN From an Anglo-Saxon word meaning 'one third'.
For more information see the Cultural Guide