Party

A person concerned upon one side or another in any affair, business, contract or proceeding, as vendor or vendee, bailor or bailee, obligor or obligee, grantor or grantee, mortgagor or mortgagee, lessor or lessee. A person so concerned in an action, called in the Roman law actor or reus; in the common law, plaintifif or defendant; in real actions, demandant or tenant; in equity, complainant or defendant; in Scots law, pursuer or defender; in admiralty practice, libellant or respondent; in appeals, appellant or appellee, sometimes plaintiff in error or ' defendant in error; in criminal proceedings, prosecutor or prisoner. A side or part composed of one or more individuals. Party wall: a common wall; a wall common to two adjoining estates; a wall erected on the line between two adjoining estates belonging to the owners in conimon.