1 the part of a fence, wall, etc like a door that can be opened to let people or vehicles through 大门: Please keep the garden gate closed. 请把花园的大门关上。 ☞picture on page C7 见C7页插图

2 (also gateway) the space in a wall, fence, etc where the gate is 大门口: Drive through the gates and you'll find the car park on the right. 开车穿过门口，右边就是停车场。

3 the place at an airport where you get on or off a plane 登机门: Swissair Flight 139 to Geneva is now boarding at gate 16. 瑞士航空公司飞往日内瓦的139号班机，现在开始在16号门登机。