DICT.TW Dictionary Taiwan

 Cave, v. i.
 1. To dwell in a cave. [Obs.]
 2.  To fall in or down; as, the sand bank caved. Hence (Slang), to retreat from a position; to give way; to yield in a disputed matter.
 To cave in.  (a) To fall in and leave a hollow, as earth on the side of a well or pit. (b) To submit; to yield. [Slang]
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