motorway

Noun

mo=tor=way

WORDNET DICTIONARY

motorway(n = noun.artifact) expressway, freeway, pike, state highway, superhighway, throughway, thruway - a broad highway designed for high-speed traffic; Array

has particulars: autobahn, autostrada, toll road, turnpike

has parts: carriageway

is a kind of highway, main road

motorway, n. Brit. a main road with separate carriageways and limited access, specially constructed and controlled for fast motor traffic.

For further exploring for "motorway" in Webster Dictionary Online