Petition \Pe*ti"tion\, v. t. [imp. & p. p. {Petitioned}; p. pr. & vb. n. {Petitioning}.] To make a prayer or request to; to ask from; to solicit; to entreat; especially, to make a formal written supplication, or application to, as to any branch of the government; as, to petition the court; to petition the governor. You have . . . petitioned all the gods for my prosperity. --Shak.