Definitions

1. verb

to install or fit something, especially equipment or software, onto a computer or other electronic device

“The company onboarded the new employee with a comprehensive training program.”

2. noun

a person or thing that is installed or fitted onto a computer or other electronic device

“The onboard software updated the device’s operating system.”

3. adverb

while on a vehicle, especially an aircraft or ship

“The passengers were enjoying the in-flight meal onboard the plane.”

4. adverb

in place or installed as required or intended

“The safety features were onboard the vehicle from the factory.”