What is Petition ?
Petition is (noun) 1. an official request, often signed by many people She wanted me to sign a petition against the building of the new road. We went to the town hall to hand the petition to the mayor. 2. a legal request a divorce petition (verb) to ask someone for something officially, to make an official request for something They petitioned the town council for a new library. He petitioned the government to provide a special pension. She is petitioning for divorce. Synonym appeal
source: Easier English, Student Dictionary Upper Intermediate Level