What is Attachment Execution?

Legal Definition
A name given in some states to a process of garnishment for the satisfaction of a judgment. As to the judgment debtor it is an execution; but as to the garnishee it is an original process a summons commanding him to appear and show cause, if any he has, why the judgment should not be levied on the goods and effects of the defendant in his hands. Kennedy v. Agricultural Ins. Co.., 165 Pa. 179, 30 Atl. 724; Appeal of Lane, 105 Pa. 61, 51 Am. Rep. 166.
-- Black's Law Dictionary