(tennis) line judge

(medicine, colloquial) Arterial line.

In rugby, the line at the end of the pitch past, or on, which the ball must be placed to score a try

(nautical) An imaginary line between two objects that can be used to chart a safe course in a difficult situation.

plural of short line

(rail transport, US) alternative form of shortline. / see also short and line for other senses.

(architecture) Alternative form of spring line

(American football) The points on the football field needed to pass to convert a first down.

(US) To jump the line.

plural of complex line