Source : Webster's Revised Unabridged Dictionary (1913)

Oriskany \O*ris"ka*ny\, a. [From Oriskany, in New York.] (Geol.)
   Designating, or pertaining to, certain beds, chiefly
   limestone, characteristic of the latest period of the
   Silurian age.

   {Oriskany period}, a subdivision of the American Paleozoic
      system intermediate or translational in character between
      the Silurian and Devonian ages. See Chart of {Geology}.