0 used for saying that the person who buys something must take responsibility for the quality of goods that he or she is buying
1 the principle that it is the buyer's responsibility, not the seller's, to find out if there is anything wrong with what they are being sold:
The bondholders would have been reminded of the sound doctrine, caveat emptor, which signifies that those who make a bad bargain have only themselves to blame, and must pocket their loss with the best grace that they can muster.