a flight of stairs or a ladder for lowering over the side of a ship for access to and from a small boat.
The property ladder, without the implication of necessarily owning the place where one lives.
A board or plank placed within or without the bulwarks of a vessel's waist for lookouts to walk or stand on.
The boards ending the hammock-nettings at either side of the entrance from the accommodation-ladder to the deck.
A board or plank used as a temporary footbridge between a ship and a dockside or any gap such as scaffolding.