Related Clues:

• "Spinning On an ___" Paul McCartney
• Earth's rotation line
• A small number coming up the Central Line
• Graph line X or Y
• WWII foes
• '13 Pet Shop Boys song about line of rotation?
• Pole-to-pole connection
• x or y follower
• One of three in a 3-D graph
• A big strike upset international alliance
• x or y, on a graph
• x, y or z follower
• Japan was a member of it
• x, y or z, on a 3-D graph
• Spinning line for a boundary return