Guardrail

Pronunciation: /ˈɡɑːrˌdreɪl/

Guardrail (noun)

  1. A barrier along a road or bridge that helps stop vehicles from going off the edge.
  2. A rule or limit put in place to reduce harm or prevent unsafe actions.
  3. A system setting that restricts what an AI can do or say to keep results safe and controlled.

Examples

  • The guardrail stopped the car from leaving the road.
  • Drivers rely on a guardrail to reduce serious crashes.