beltway
//ˈbɛlt.weɪ//
Noun
beltwaySingular
beltwaysPlural
1
A highway that encircles or bypasses an urban area, allowing traffic to avoid the city center.
We took the beltway to avoid the heavy traffic in the city center.
2
(US, often capitalized) The political and media establishment of Washington D.C., or the insular culture associated with it.
The scandal dominated Beltway discussions for weeks.