750 ILCS 30/3-5
"Petition" means the petition provided for in Section 7 of this Act, or any other petition filed under the Juvenile Court Act or the Juvenile Court Act of 1987, seeking the emancipation of a minor in accordance with the provisions of this Act.
(from Ch. 40, par. 2203-5)
(Source: P.A. 85-1209.)