LINESMAN
electrician, lineman, linesman
(noun) a person who installs or repairs electrical or telephone lines
linesman
(noun) official (in tennis, soccer, football, etc.) who assists the referee in some way (especially by watching for out of bounds or offside)
Source: WordNet® 3.1
Etymology
Noun
linesman (plural linesmen)
(football) An assistant referee.
(tennis, dated) A male line judge.
(ice hockey) An official whose primary task is to watch the blue line and determine when there has been an offside.
(American football) An official whose primary task is to determine whether there has been a line of scrimmage violation.
A person employed to work on electrical lines; a lineman.
(military) A private in the line.
Usage notes
• In soccer, the term assistant referee has replaced linesman in official contexts and is preferred by gender-neutral prescription, though linesman remains in common use.
• In tennis, the term linesman is considered dated because not all line judges are male.
Anagrams
• Lemnians, melanins
Source: Wiktionary