1. a highway divided down the middle by a barrier that separates traffic going in different directions; - Example: "in Britain they call a divided highway a dual carriageway" [syn: divided highway, dual carriageway]
WordNet (r) 3.0 (2006):
dual carriageway
n 1: a highway divided down the middle by a barrier that
separates traffic going in different directions; "in
Britain they call a divided highway a dual carriageway"
[syn: divided highway, dual carriageway]