gate·way/`getˏwe; ˈɡeɪt-weɪ/ n 1 [C] an opening in a fence or outside wall that can be closed with a gate 〔篱笆或围墙上的〕出入口 2 the gateway to a place, especially a city, that you go through in order to reach a much larger place 通往…的门户: St. Louis was once the gateway to the West. 圣路易斯一度是通往美国西部的门户。