Plain English Meaning

A radio transmitter on the ground that aircraft use to figure out which direction they are from a known point. It is the actual installation -- the antenna and equipment -- not the signal or the airway.

Full Definition

A ground-based navigation transmitter that broadcasts VHF radio signals which an aircraft receiver uses to determine its bearing to or from the station. VOR stations are the physical facilities that define VOR airways and serve as fixed reference points for en route navigation, instrument approaches, and holding patterns.