“chur”

The female (typically) person or animal previously mentioned or implied.

The direction towards the pole to the right-hand side of someone facing east, specifically 180°, or (on another celestial object) the direction towards the pole lying on the southern side of the invariable plane.

The direction towards the pole to the left-hand side of someone facing east, specifically 0°, or (on another celestial object) the direction towards the pole lying on the northern side of the invariable plane.

The direction opposite to that of the earth's rotation, specifically 270°.