petition /pəˈtɪʃ.ən/noun 3verb 1forms 4 noun3 •A formal written request made by an individual or a group of people to a sovereign or political authority, often containing many signatures, soliciting some grace, right, mercy, or the redress of some wrong or grievance.We're looking to get 10,000 people to sign the petition to have the bird colony given legal protection. •A formal written application made to a magistrate or court for an order or a suit for divorce. •A prayer or supplication, especially of which is formal or humble and made to a deity, a sovereign, or an authority.A house of prayer and petition for thy people. — 1611 verb1 •To make a petition to (a sovereign or political authority).The villagers petitioned the council to demolish the dangerous building. formspetitioned · petitioning · petitioneth · petitions