The line at which something ends / (sports, American football, hurling, Gaelic football) In various goal-based sports, the boundary line, running across the goal.

Alternative spelling of lineup

plural of line-up

plural of lateral line

plural of oblique line

plural of offensive line

plural of back line

(tennis) An official who watches the lines of the court and judges whether the ball has landed in or out and also declares foot faults.

(business) A method of management in which instructions are passed to and from one's superior.

plural of line judge