Riding (rīd&ibreve_;ng), n. [For thriding, Icel. þriðjungr the third part, fr. þriði third, akin to E. third. See Third.] One of the three jurisdictions into which the county of York, in England, is divided; -- formerly under the government of a reeve. They are called the North, the East, and the West, Riding. Blackstone.
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Riding, n. 1. The act or state of one who rides.
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2. A festival procession. [Obs.]
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When there any riding was in Cheap. Chaucer.
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3. Same as Ride, n., 3. Sir P. Sidney.
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4. A district in charge of an excise officer. [Eng.]
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