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.
© Webster 1913.