昇しょう降こう口ぐちしょうこうぐちMeanings1nounentrance; hatchwayRefers to an entrance or hatchway used for boarding or accessing a vehicle, vessel, or aircraft. Often used in contexts like ships, trains, or buses.船ふねの昇しょう降こう口ぐちから乗じょう客きゃくが次つぎ々つぎと