Definition of caveat emptor noun from the Oxford Advanced American Dictionary

 

caveat emptor

 noun
noun
NAmE//ˌkæviɑt ˈɛmptɔr//
 
, NAmE//ˌkæviætˈɛmptɔr//
 
, NAmE//ˌkɑviɑtˈɛmptɔr//
 
(from Latin)
 
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the principle that a person who buys something is responsible for finding any faults in the thing they buy The sale is subject to the caveat emptor principle.
See the Oxford Advanced Learner's Dictionary entry: caveat emptor