Real Dictionary

caveat emptor
convention: Caveat emptor means ' let the buyer beware', and is a warning to someone buying something that it is their responsibility to identify and accept any faults in it.

caveat emptor in American English
let the buyer beware (i. e., one buys at one's own risk)
sentence substitute: let the buyer beware: the principle that the seller of a product cannot be held responsible for its quality unless it is guaranteed in a warranty

caveat emptor in British English
noun: the principle that the buyer must bear the risk for the quality of goods purchased unless they are covered by the seller's warranty