Related Clues:
- Imaginary central line
- Imaginary centre of rotation
- Spindle - German/Italian alliance - deer
- Supposed political alliance
- Two radii
- (Rotational?) alliance of powers
- Longest chord of a circle
- Line about which a body rotates
- Line about which something rotates
- Imaginary line around which a body rotates
- Line about which to rotate
- Line around which rotation occurs
- Line about which a body turns or a construction is symmetrical
- Straight line across circle passing through its centre
- Alliance of powers eg Germany, Italy and Japan in WWII