1. a movable barrier used to close an opening in a fence or wall
2. an opening that can be closed by a gate
3. a designated area in an airport where passengers board aircraft

1. to confine or restrict access using a gate

Examples

• Please close the garden gate behind you.
• The passengers waited at gate 15 for their flight.
• The security guard opened the gate to let us through.
• The concert had a gate of over 50,000 people.
• They gated the community to control access.
• The wooden gate creaked as it swung open.
• Our boarding gate was changed at the last minute.