Petition \Pe*ti"tion\, n. [F. p['e]tition, L. petitio, fr. petere, petitum, to beg, ask, seek; perh. akin to E. feather, or find.]

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; specifically (Law), a supplication to government, in either of its branches, for the granting of a particular grace or right; -- in distinction from a memorial, which calls certain facts to mind; also, the written document.

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.

Source: Webster's Revised Unabridged Dictionary (1913)