Definition of Engaged in commerce
To be “engaged in commerce” for purposes of Fair Labor Standards Act and Federal Employers’ Liability Act, an employee must be actually engaged in the movement of commerce or the services he performs must be so closely related thereto as to be for all practical purposes an essential part thereof, rather than an isolated local activity. McLeod v. Threlkeld, Tex., 319 U.S. 491, 63 S.Ct. 1248, 1251, 1252, 87 L.Ed. 1538; Boutell v. Walling, C.C.A.Mich„ 148 F.2d 329, 331. See also Commerce.
That's the definition of Engaged in commerce in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.