Libellus

I In the civil and old English law. A libel; a claim, in writing, of what is due to one; the plaintiff's claim in an action. Libellns famosus: a defamatory publication; a libel. In the Roman law. Literally, a little book, as a memorandum or account book; a writing divided into pages, and folded in the form of a little book; d writing containing a complaint or claim against a, person; a writing containing a formal accusation or complaint against a person; a written application or petition to the emperor; an appeal, in writing, from the sentence of a judga In the feudal law. An instrument of alienation or conveyance, as of a fief, or a part of a fief.