linesman
/ˈlaɪnzmən/
noun
- An official in sports such as soccer, football, or tennis who helps the referee by watching the boundary lines and making calls about whether the ball is in or out of play.
- The referee consulted with the linesman before making the final decision on the goal.
- The linesman raised his flag to signal that the player was offside.
- During the tennis match, the linesman called the ball out, and the player challenged the call.
- A person who installs or repairs telephone, electrical, or other types of cables and wires.
- Our internet was down, so the phone company sent a linesman to check the cables.
- The linesman climbed the pole to fix the damaged power line after the storm.
- The linesman wore safety gear while working on the high-voltage wires.