(rī′ding) noun
The act of one who rides; a ride.
—adjective
1. To be ridden on or in; suitable for riding: a riding horse.
2. To be used while riding: riding boots.
3. For use while at anchor: a riding light.

(rī′ding) noun
1. One of the three administrative divisions of Yorkshire, England: North Riding, East Riding, and West Riding.
2. Any similar administrative division, as in Canada, New Zealand, etc. [OE thrithing the third part (of a county); the initial th having been lost through the influence of the final t or th of East, West, and North. Related to THIRD.]