Answer:

AXIS

Answer	Crossword Clue
AXIS	World War II foes
AXIS	Graph line
AXIS	Gyroscope part

AXIS	Line of rotation
AXIS	What the Earth turns on
AXIS	X or Y, on a graph
AXIS	Imaginary line between poles
AXIS	Word before the colon in the title of the second Jimi Hendrix Experience album
AXIS	Allies' foe
AXIS	Pivotal line
AXIS	Bush's " .. of evil"

AXIS	Line on a graph
AXIS	Baseline on a graph
AXIS	Line on a plot
AXIS	Symmetry line
AXIS	Rotation line
AXIS	Line of rotational symmetry
AXIS	Bisecting line
AXIS	Line between two poles

AXIS	Geometric line
AXIS	Turning point
AXIS	X, Y or Z
AXIS	Allies foe
AXIS	Geometric reference line
AXIS	WWII group
AXIS	WWII enemy
AXIS	'40s foe

AXIS	WWII opponent
AXIS	Graph's x or y
AXIS	Line of symmetry
AXIS	x or y
AXIS	Allies' enemy
AXIS	The Earth turns on it
AXIS	Allies' opposition
AXIS	x or y line

AXIS	x, y or z
AXIS	Allies' opponents
AXIS	Center of rotation
AXIS	Revolving point
AXIS	Line in a coordinate system