(military) The Distant Early Warning Line, a series of radar stations, located north of the Arctic Circle and extending from Alaska to Baffin Island, operated by American and Canadian authorities from the late 1950s to the early 1990s to help protect North America by detecting incoming hostile missiles and aircraft.

(rail transport) A secondary railroad route or one subsidiary to a railroad's mainlines.

Alternative spelling of hardline

(soccer) Collectively, the defenders of a team. / (field hockey) The line running across the goal to the corners of the playing field.

a line in an artwork that is not physically there but suggested by points in the artwork

Misspelling of deadline.

(authorship) A line of abbreviated text at the beginning of each scene in a screenplay that describes the location and time of day

A dance in which a group of people perform the same dance moves synchronously while in one or more lines.

(geometry) ray; a line extending indefinitely in one direction from a point.

Short for telephone line.