a temporary passageway of planks (as over mud on a building site)
A passageway through which to enter or leave, such as one between seating areas in an auditorium, or between two buildings.
To serve as, furnish with, or conduct oneself as though proceeding on a gangway.
Make way! Clear a path!
Gangway comes from the Old English word gangweġ, which meant a passageway or thoroughfare. It is formed by combining the words for "to go" and "road."