cave-in
(kāv′in′)
noun
- an act or instance of caving in
- a place where the ground, a mine, etc. has caved in
See cave-in in American Heritage Dictionary 4
nouna. A collapse, as of a tunnel or structure.
b. A place where a cave-in has occurred.
- An act or instance of ceasing opposition or resistance: The vote was seen as a cave-in to the demands of the administration.
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