An elevated railway.
Of a higher register or style.
Of a higher rank or status.
Raised, particularly above ground level.
Running with administrator rights.
Increased, particularly above a normal level.
A rapid transit rail transport system, or a train in such systems, generally underground and serving a metropolitan area.
An urban rapid transit rail transport system, normally with lighter track and light trains (i.e. an S-Bahn or similar), or a train in such systems.
A metropolitan area.
metropolitan