/pəˈtɪʃn ||; pəˈtɪʃən/noun [C] a written document, signed by many people, that asks a government, etc to do or change sth 请愿书；陈情书: More than 50000 people signed the petition protesting about the new road. 超过50000人签署请愿书，抗议兴建那条新道路的事。 petition verb [I,T]