from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A board or ramp used as a removable footway between a ship and a pier. Also called gangway.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A board used as a temporary footbridge between a ship and a dockside
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a temporary bridge for getting on and off a vessel at dockside
From gang1, way (obsolete and dialectal).(American Heritage® Dictionary of the English Language, Fourth Edition)
From gang (“way, path, course of travel”) + plank (“board”) (Wiktionary)