挨拶 (aisatsu) means 'greeting' or 'salutation.' It refers to the words or actions used when meeting or departing from someone. Proper greetings are very important in Japanese culture. For example, '朝の挨拶は大切です' (Morning greetings are important).

人に会ったり別れたりする時の言葉や行動です。例：「挨拶をする」