from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A passage underneath something, especially a section of road that passes under another road or a railroad.
- n. An intersection formed in this way.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A road or a pedestrian passage in a tunnel that runs underneath a road or railroad.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an underground tunnel or passage enabling pedestrians to cross a road or railway
Sorry, no etymologies found.