1. plural of gate; movable barriers used to close openings in fences, walls, or other enclosures
2. entrances or exits, especially at airports or large venues

Examples

• The iron gates of the mansion were locked shut.
• Please close the garden gates behind you.
• Passengers should proceed to gates 15 through 20.
• The stadium gates opened two hours before the game.
• Security guards monitored all the entrance gates.
• The airport has over fifty departure gates.
• Heavy wooden gates protected the medieval castle.