The definition of a cliff is a high steep or overhanging face of rock.(noun)
An example of a cliff is the edge looking down into the Grand Canyon.
See cliff in Webster's New World College Dictionary
Origin: ME & OE clif < IE *gleibh-, to adhere, be attached < base *glei- (see clay): basic sense prob. “slippery, smooth rock”
See cliff in American Heritage Dictionary 4
Origin: Middle English clif
Origin: , from Old English.
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