RIDING
Source: 566, 567
riding. Riding, pa. of to ride
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Rid″ing (rīd″ĭng), 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.