Beverly Berta Braakschmack
Petition can also be the title of a legal pleading that initiates a legal case. An initial pleading in a lawsuit that seeks non-monetary or "equitable" relief, such as a request for a writ of mandamus or habeas corpus, custody of a child, or probate of a will, is instead called a petition.
Printed copy · Anthology Volume 1, page 1104
