https://4.imimg.com/data4/OR/NG/MY-11485274/ms-gate-500x500.jpg
gate
noun
[ˈgeɪt]
- a place in a wall or a fence that has a movable part which can be opened or closed like a door; also : the movable part itself
- a device that can be opened and closed to control the flow of water or other liquids
- an area at an airport where passengers arrive and leave