noun
Wasei-eigo from 'slide door'; refers specifically to the side door of a car, van, or minivan that slides open horizontally rather than swinging outward.
wasei-eigo (Japanese-coined English), from slide door
このミニバンは両側にスライドドアが付いている。
This minivan has sliding doors on both sides.
子供がスライドドアを自分
The child has become able to open the sliding door by themselves.