intervention

The act or fact of intervening-any interference that may affect the interest of others. In legal terminology, the proceeding by which one not originally a party to an action is permitted, on his own application, to appear therein and join one of the original parties in maintaining the action or defense, or to assert a claim or defense against some or all of the parties to the action as originally instituted. 39 Am J1st Parties § 55. A proceeding within an attachment or garnishment proceeding wherein third party claimants assert their rights. 6 Am J2d Attach § 577. An appearance by a consul on behalf of his nation interested in the estate of a decedent. Anno: 157 ALR 108. A proceeding in admiralty by a third person to establish a claim to property or the proceeds of property brought into court in a suit in admiralty, where the suit is in rem, or to establish the right or rights of the third person in a proceeding for limitation of a shipowner's liability. 2 Am J2d Adm § 184.