舷梯

Noun

 * 1) gangplank; gangway (to board a ship or a boat); ramp (to board a plane)

Etymology
From.

Noun

 * 1) a rope ladder used to board or leave a boat or ship
 * 2) an accommodation ladder for a boat or ship
 * 3) a movable stairway for an airplane, such as mounted in the door or on a specialized truck
 * 1) a movable stairway for an airplane, such as mounted in the door or on a specialized truck