Lineman (noun)

1. A person who installs or repairs electrical power or telecommunications lines.
2. A player in American football who plays in the line of scrimmage, either on offense or defense.

Origin:

Derived from the noun 'line' meaning a rope or cable. first recorded in english in the late 19th century.

Examples:

1. The lineman climbed the poles to fix the power lines.
2. The offensive lineman provided protection for the quarterback during the play.
3. The lineman worked on the fiber optic lines to improve internet speeds.
4. The lineman is responsible for maintaining the electrical grid.
5. The lineman is trained to work safely with high voltage equipment.