Origin: Germanic Old English prefix
Beltway has 4 different meanings across 2 categories:
A freeway that encircles a city.
"After driving for hours on the congested beltway, we finally reached our destination outside the city limits."
Of or relating to the culture of Washington, D.C.; politicized.
"The new bill was quickly co-opted by the beltway insiders who knew exactly how to spin it for maximum political gain."
A 64-mile Interstate freeway surrounding Washington, D.C..
"The traffic on the Beltway was gridlocked during rush hour because of an accident near the Potomac River."