ＰＳ LinksSentence search for ＰＳSentence search for ピー・エスEdit in JMdict Noun1. postscript; PS; P.S.てがみ手紙のピー・エスＰ．Ｓ．はなに何をあらわ表していますか。What do the letters P.S. stand for?Noun2. pipe shaft (in a building); riser shaftSee also パイプスペース Discussions Log in to talk about this word.