| Answer | Crossword Clue |
|---|---|
| MERIDIAN | It passes through the earth's poles |
| MERIDIAN | Great circle that passes through the Earth's poles |
| MERIDIAN | Circle passing through both the earth's poles |
| meridian | circle on the earth's surface passing through the poles |
| meridians | A circle passing through the celestial poles and the zenith of a given place on the earth's surface |
| meridians | A circle of constant longitude passing through a given place on the earth's surface and the terrestrial poles |
