From Longman Dictionary of Contemporary Englishthrift shopˈthrift shop noun [countable]  American EnglishBBTSHOP/STORE a shop that sells used goods, especially clothes, often in order to get money for a charity
                                                    
                                                Examples from the Corpus
thrift shop• After lunch, which I again finished alone, we drove to a thrift shop.• The league's thrift shop welcomes donations of furniture, clothes and housewares. 
