BARRIER
- an obstacle (something that obstructs (to get in the way of)) [n BARRIERS]
- The starting gate of a racecourse
- to shut by means of a fence [v -ED, -ING, -S]
- A fence or other obstacle that prevents movement or access
- A circumstance or obstacle that prevents communication or that keeps people or things apart
- Something that prevents progress or success
- A long narrow island lying parallel and close to the mainland, protecting the mainland from erosion and storms
- A gate at a parking lot that controls access by being raised or lowered