polar circle

Here the continent again turns at right angles, and continues northeast into the northern polar circle.

The polar circle is parallel, running slanting round the earth.

Before us was the Hestmand, or Horseman, who bridles his rocky steed with the polar circle.

One could as easily make a dogma accepted on the equator as the polar circle.

The elk is only found on this, and the rein-deer on the other, side of the polar circle in Europe and in Asia.