Definitions

1. adjective

formed or developed within an organization or system, especially as part of its standard equipment or facilities.

“The new software included a number of built-in tools that streamlined our workflow.”

2. noun

a feature or component that is permanently installed or provided as part of a system or product.

“The laptop had a built-in webcam and microphone.”

3. verb

to create or incorporate something as part of a system or product.

“The company built in a number of security features to prevent hacking.”