From Longman Dictionary of Contemporary Englishpostscriptpost‧script /ˈpəʊsˌskrɪpt $ ˈpoʊs-/ noun [countable] (written abbreviation PS) 1 TCMa message written at the end of a letter after you have signed your name2 ENDextra details or information that you add after a story or an accountpostscript to There’s an interesting postscript to this tale.
Examples from the Corpus
postscript• As a postscript to my days in Port Said, perhaps I can tell one brief, romantic story.• And where, Holtz wondered in a postscript, were the newspaper clippings from Melbourne?• A postscript must be added to this story.• This was more than just a belated postscript to one of the closest and most bizarre elections in history.• It was a fitting postscript to the year of victories and the real end of the invasion danger.• There's an interesting postscript to this tale.• The postscript, entitled A Princess Alone, covers the events of last summer.• There is an eerily Victorian postscript to this unhappy tale, almost too melodramatic to be true.• The hand-written postscript read, "Thank you Jim!"From Longman Business Dictionarypostscriptpost‧script /ˈpəʊsˌskrɪptˈpoʊs-/ noun [countable] something added to the end of a report, account etcThis information was given in a postscript to the letter. → see also PSPostScriptPost‧Script /ˈpəʊsˌskrɪptˈpoʊs-/ noun [uncountable] trademark COMPUTING a high level computer language used to produce writing and images on a printed pageOrigin postscript (1500-1600) Modern Latin postscriptum, from Latin postscribere “to write after”