1. connected or linked two systems, devices, or programs so they can work together
Usage: computing; technology
2. interacted or communicated with someone or something
Usage: formal

Examples

• The new software interfaced seamlessly with our existing database.
• She interfaced the printer with her laptop using a USB cable.
• The team interfaced with clients to gather project requirements.
• The sensors interfaced directly with the control system.
• He interfaced with various departments to coordinate the launch.
• The application interfaced with multiple external APIs.