linesmen
Court edge watchers
Linesmen is the plural of linesman.
In sports, linesmen are officials positioned along boundary lines to judge whether balls or players are in or out of bounds, or in hockey, to call offsides and icing.
Outside sports, linesmen are workers who install and maintain telephone or electrical lines: The linesmen worked through the storm to restore power.
Sports rule enforcer
- umpireSports match official
- assistantOne who aids another
- offsideIllegal forward position
- flagCloth symbol or signal
foul · penalty · whistle · touchline · VAR · call · decision · out-of-bounds
Sweet cake covering
Wires carrying electricity overhead
- transformerVoltage-altering electrical device
- voltageElectrical potential difference
- gridFramework of intersecting lines
- substationPower distribution point
high-tension · utility · pole · tower · outage · circuit · conductor · insulator
Determining size or amount
referee
Sports rule enforcer
flag · foul · penalty · whistle · touchline · VAR · call · decision · out-of-bounds · signal
icing
Sweet cake covering
powerlines
Wires carrying electricity overhead
- transformerVoltage-altering electrical device
- voltageElectrical potential difference
- gridFramework of intersecting lines
substation · high-tension · utility · pole · tower · outage · circuit · conductor · insulator · current
measurement
Determining size or amount
- sports personnelhead coach, assistant manager, athletic trainer, equipment manager, team physician
- sports stuffplayers, coaches, referees, umpires, team captain
- sports governancegoverning body, regulatory body, FIFA, UEFA, IOC
linesmenhead referee
Senior game arbiter
referee · umpire-in-chief · umpire · match referee · match official
linesmenplayers
Game participants
competitors · athletes · team members · participants · contestants