Imposts
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
Taxes, duties, or impositions. A duty on imported goods or merchandise.
Federalist, No. 30; Elliott, Deb. 289; Story, Const. § 949; 12 Wheaton (U. S.) 437.
In a larger sense it is any tax or imposition.
7 Wallace (U. S.) 445.