dial. ? Obs. [Of obscure origin.] (See quots.)
1669. Worlidge, Syst. Agric., 24. I have seen much of the blew Clay which they call Urry thats digged out of Coal-mines, and lyes neer the Coal, laid on Meadow, and Pasture-lands, to a very considerable advantage. [Hence in Dict. Rust., Kersey, Fam. Dict., etc.]
1712. J. Morton, Nat. Hist. Northampt., 119. The black Earth calld Urry.