Tether system
Tether system means a device that contains launch vehicle hazards by physically constraining a launch vehicle in flight to a specified range from its launch point. A tether system includes all components, from the tether's point of attachment to the vehicle to a solid base, that experience load during a tethered launch.
Source
14 CFR § 401.7
Scoping language
For the purposes of this chapter unless otherwise excepted, the following definitions apply: