·- A series of limestone strata found in Ohio and farther west, presenting bluffs along the rivers and valleys, formerly supposed to be of one formation, but now known to be partly Silurian and partly Devonian.
·noun A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains als...
Webster's Dictionary of the English Language
·noun ·see <<Clef>>. II. Cliff ·noun A high, steep rock; a precipice. ...
[from the Anglo-Saxon cleof]. A precipitous termination of the land, whatever be the soil. (See cr...
The Sailor's Word-Book