the part of a fence or outside wall that you can open and close so that you can enter or leave a place [↪ door]:
We went through the gate into the orchard.
the wrought-iron gates of the palace
open/close/shut a gate
I left the engine running and ran back to close the gate.
Make sure that the back gate is locked, please.
The children poured out of the school gates.
the place where you leave an airport building to get on a plane:
Air France flight 76 leaves from gate 6A.
used with the name of a place or a person to give a name to an event involving dishonest behaviour by a politician or other public official:
a) DS [countable] British English
the number of people who go in to see a sports event, especially a football match
b) DS [uncountable] British English also gate money
the amount of money that these people pay