From Longman Dictionary of Contemporary Englishcwtcwt British English, cwt. American EnglishTMthe written abbreviation of hundredweightFrom Longman Business Dictionarycwtcwt written abbreviation for HUNDREDWEIGHTCopper metal sold for about £3 per cwt.Origin cwt. C Roman number for 100 + wt (from weight) 
                                                    
                                                
