A passageway, especially a narrow walkway or a path between rows of seats in a theater, auditorium, or other public venue. The usher guided us down the gangway to our seats in the theater.
A movable bridge used in boarding or leaving a ship at a pier. The passengers waited for the crew to secure the gangway before disembarking the cruise ship.
A narrow passageway on or within a ship, such as a walkway along the deck or between compartments, used by crew or passengers for movement. The sailor hurried along the gangway that ran the length of the port side.