Linesman meaning
An official who marks the downs and the position of the ball and watches for certain violations from the sidelines.
noun
An official who has the responsibility to make decisions along a sideline, goal line, etc., as in reporting whether the ball is inside or outside the line.
noun
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(soccer, dated) An assistant referee.
noun
(ice hockey) An official whose primary task is to watch the blue line and determine when there has been an offside.
noun
(American football) An official whose primary task is to determine whether there has been a line of scrimmage violation.
noun
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