The Collaborative International Dictionary
Oriskany period
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 transitional in character between the Silurian and Devonian ages. See Chart of Geology.