Plain English Meaning
A specific named point along an airway where it meets or crosses another airway or navigation line. Pilots use these points to mark position, change route, or hold.
Full Definition
A point along a Federal airway where the airway meets, crosses, or branches from another airway or navigational reference, defined by named fixes such as VOR radial crossings, DME distances, or GPS waypoints. Airway intersections are used as reporting points, route-change points, or holding fixes along the en route structure.