(mathematics) A line that sweeps over a plane or surface and interacts with points therein

(printing) Having a depth of body equal to double that of the size specified.

plural of line haul

(architecture) An imaginary line in a room, behind which no direct daylight penetrates and it is not possible to see the sky through a window.

plural of twiddling line

(nautical, historical) A piece of small rope for steadying the steering wheel.

plural of no-sky line

Any of various lycaenid butterflies with lined underwings, such as those of the genera Nacaduba and Prosotas.

plural of line-blue

Alternative spelling of zipline