Freedom from a general duty or service; immunity from a generalburden, tax, or charge. Green v. State, 59 Md. 128, 43 Am. Rep. 542; Koenig v. RailroadCo., 3 Neb. 3S0; Long v. Converse, 91 U. S. 113, 23 L. Ed. 233.A privilege allowed by law to a judgment debtor, by which he may hold property toa certain amount, or certain classes of property, free from all liability to levy and sale onexecution or attachment Turrill v. McCarthy, 114 Iowa, 681, 87 N. W. 607; Williams v.Smith, 117 Wis. 142, 93 N. W. 464.