in a ship, are of two sorts; one used by the vessel's sides, in a harbour, or in fair weather, for persons to go in and out of the ship: the other is made of ropes, with small slaves for steps; and is hung out of the gallery to enter into the boat, or to Entrochus come aboard the ship, when the sea runs so high that they durst not bring the boat to the ship's side for fear of flaving it.