Related Clues:
- Rod in a globe
- Alliance of powers
- X or Y
- Graph divider
- Pole-to-pole line
- Fixed line in revolution
- Geometrical line that I'm pretty sure cannot actually be evil
- Plant stem, to botanists
- Dear me - it disturbed part of the circle
- A symbol for unknown is accompanying it?
- It's fixed for Mars
- x or y, on graphs
- It's equal to twice the radius
- On what the Earth turns
- Gyroscope component