Plain English Meaning
A single charted low-altitude route that can be flown two ways: the old way using VOR ground stations, or the new way using GPS. One line on the chart, two ways to navigate it, depending on what your aircraft is equipped with.
Full Definition
A published low-altitude airway that serves as both a conventional Victor (VOR-defined) airway and an RNAV (area navigation) route along the same charted path. Aircraft equipped only with conventional VOR navigation may fly it as a Victor airway, while RNAV-equipped aircraft may fly it using GPS or other approved area navigation systems, often with an associated T-route designation shown alongside the V-route designation on the .