Interstate commerce
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
Traffic, intercourse, commercial trading, or the transportation of persons or property between or among the several states of the Union, or from or between points in one state and points in another slate ; commerce between two states, or between places Lying in different states.
Gibbons v. Ogden, 9 Wheat. 194, 6 L. Ed. 23 ; Wabash, etc. R. Co. v. Illinois, 118 U. S. 557 , 7 Sup. Ct. 4, 30 L. Ed. 244; Louisville & N. R. Co. v. Railroad Com'rs (C. C.) 19 Fed. 701.