Definition of rockfall
: a mass of falling or fallen rocks
Recent Examples of rockfall from the Web
There’s an undying hope that Grand County can persuade Boulder County to maintain its side of the pass and open Needle’s Eye Tunnel, which closed in 1990 after a second rockfall incident injured a man.
Some have been obliterated or partially hidden by rockfall.
Southam often works on rockfalls and landslides, registering significant changes on cliffs and coasts in England and France.
On Friday morning, a rockfall on the east rim of the summit vent in Kilauea Volcano's Halemaumau Crater set off a small explosion.
A nearby scientist heard the beginning of this rockfall followed by a loud explosion.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rockfall'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of rockfall
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