cliff fall

noun

cliff fall

noun

1

A (partial) collapse of a cliff, usually due to erosion.

SIR,—Hardly a winter passes without the Exeter-Plymouth line suffering either from cliff falls and high tides at Dawlish, or from extensive flooding of the Plym estuary.1959 March, “Letters to the Editor: The closure of redundant main lines”, in Trains Illustrated, page 170:

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