Pe·ti·tion n.
1. A prayer; a supplication; an imploration; an entreaty; especially, a request of a solemn or formal kind; a prayer to the Supreme Being, or to a person of superior power, rank, or authority; also, a single clause in such a prayer.
A house of prayer and petition for thy people. --1 Macc. vii. 37.
This last petition heard of all her prayer. --Dryden.
2. A formal written request addressed to an official person, or to an organized body, having power to grant it.
3. Specifically: Law, A request to government, in either of its branches, for the granting of a particular grace or right, or for the legislature to take a specific action; -- in distinction from a memorial, which calls certain facts to mind. The petition may be signed by one or any number of persons.
4. The written document containing a petition (senses 1 or 2).
Petition of right Law, a petition to obtain possession or restitution of property, either real or personal, from the Crown, which suggests such a title as controverts the title of the Crown, grounded on facts disclosed in the petition itself. --Mozley & W.
The Petition of Right Eng. Hist., the parliamentary declaration of the rights of the people, assented to by Charles I.