n.
Pronunciation: ' r ī -di ŋ
Function: noun
Etymology: Middle English -redying or trithing, alteration of Old English *thriding, from Old Norse thrithjungr third part, from thrithi third; akin to Old English thridda third ― more at THIRD
Date: 15th century
1 : one of the three administrative jurisdictions into which Yorkshire, England, was formerly divided
2 : an administrative jurisdiction or electoral district in a British dominion (as Canada)