紙かみ切きりナイフMeanings1nounpaper cutter; paper knifeA tool for cutting paper, often a small blade used for opening envelopes or trimming sheets.封ふう筒とうを開あけるのに紙かみ切きりナイフを使つかった。I used a paper knife to open the envelope.紙かみ切きりナイフで余よ白はくを切きり落おとした。I trimmed the margins with a paper cutter.