In mathematical literature, the polar axis is often drawn horizontal and pointing to the right.

I'm still in the ship, and she's heading back to station at the polar axis.

First journey around the world on its polar axis using surface transport only, covered 52,000 miles and visited both poles by land.

Tilting the polar axis adds a level of complexity to the mount.

The polar axis is inclined about 65 to the line of sight from the Earth.

The tube (beneath the stairs) was parallel to the polar axis of the Earth.

Each polar axis is a meridian of the visual field.

The hoop had nearly reached the polar axis, he saw.

I would venture to suppose that this quick revolution evokes a pressure all around the polar axis.

We are inside the bore of the tube that stretches out along the polar axis.