| Main Entry: | highway |
| Part of Speech: | noun |
| Definition: | heavily traveled, capacious road |
Synonyms: |
artery, avenue, boulevard, drag*, four-lane, freeway, interstate, parking lot, parkway, path, pike, roadway, skyway, street, super slab, superhighway, thoroughfare, toll road, track, turnpike |
| Notes: | a highway is a main road; an expressway is a multilane highway; freeway, parkway, turnpike are types of expressways |
| Main Entry: | air route |
| Part of Speech: | noun |
| Definition: | flight path |
Synonyms: |
air corridor, air lane, corridor, flight lane, skyway |
| Main Entry: | overpass |
| Part of Speech: | noun |
| Definition: | bridge |
Synonyms: |
footbridge, skyway, span, viaduct, walkway |