plural beltways
plural beltways
Learner's definition of BELTWAY
1
[count] US : a highway that goes around a city环城公路;环城快线 — called also (British) orbital
2
the Beltway : the political and social world of Washington, D.C.华盛顿政界;华盛顿社交界
— Beltway
adjective, always used before a noun