The radial lines usually had line colours divided into two.

The radial lines on a compass rose are also called rhumbs.

Six other radial lines were operated, one extending southeast to Berlin.

A moving body in a spinning object does not fall along a radial line but appears to move against the direction of spin.

Harrington pushed one of his pieces out along a radial line toward the rim.

The system has six radial lines to/from the city centre.

To construct the web, several radial lines are stretched among four or five anchor points that can be more than three feet apart.

Now I'd decided to work my way out along the radial lines.

All a pilot need do is watch for green radial lines in the mass sensor.

Draw the radial line (half-circle) between the two given points as in the previous case.