Related Clues:

• Line about which the earth turns
• Line through the middle
• Article raised number of deer
• A number set up an alliance
• A team's seen as an old enemy
• Alliance following a boundary reversion
• A high throw turned to what's turned on
• A 'Y' is one also
• Alliance of states taking boundary area back
• A side's lost the war
• Line up for the mathematicians?
• A boundary knocked over, producing turning point
• Pin of a revolver?
• Imaginary central line
• Imaginary centre of rotation