(US) A line in a navigable waterway established by the Army Corps of Engineers, beyond which a pier cannot project.

An officially set line along a shoreline, usually outside of the dry land, to demark a territory allowable to be treated as dry land, to separate the jurisdictions of dry land and water authorities, for construction and riparian activities, to establish limits to the allowable obstructions to navigation, etc.

(US) A rope-like piece of equipment, usually 20 meters or longer in length, attached to the bridle, longeing cavesson, or halter of a horse to provide control while longeing.

plural of desire line

(rail transport) a stretch of railway track that does not have any junctions, crossovers or points on it.

(rail transport) to remove points and crossovers from a stretch of track.

(idiomatic) To maintain an intermediate position between contrasting choices, opinions, etc.

plural of bikini line

(computing) Spurious characters due to signal noise in a communications link. / (programming) Data that looks random, as when outputting a binary file as text.

Images that consist of distinct straight and curved lines placed against a (usually plain) background, without gradations in shade (darkness) or hue (color).