(nautical) The waterline at which a vessel floats when at light displacement; the light waterline.

(nautical, orienteering, search and rescue) A firearm designed to shoot a rope across a distance, usually used to pass lines from one ship to another.

plural of containment line

(firefighting) A linear area which has been cleared of inflammable material in order to prevent a fire from spreading across it.

(chiefly US, informal) To obtain information about someone or something.

(transitive) To bring into a state of conformity; to make consistent with others.

(medicine) A central venous catheter most often used for the administration of chemotherapy or other medications, as well as for the withdrawal of blood for analysis.

A straight line painted on the side of a road, to indicate that parking is restricted

A line of rope or cord attached to the nose peg of a camel.

plural of nose line