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

plural of hot line

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

plural of straight line

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

Similar to, but not exactly equal.

plural of absorption line

Short for telephone line.

A line, often marked with yellow tape, demarcating a crime or accident scene and which bystanders are not supposed to cross. / A line of police officers standing guard.