メモ書がきメモがきMeanings1nounnote-taking; writing down notesRefers to the act of jotting down notes or memos, often in a quick or informal manner.会かい議ぎ中ちゅうにメモ書がきをするのは大だい事じだ。It's important to take notes during meetings.彼かれはいつもアイデアをメモ書がきしている。He is always jotting down his ideas.