| magnetic meridian | |
| —n | |
| a continuous imaginary line around the surface of the earth passing through both magnetic poles | |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| the offspring of a zebra and a donkey. |
| magnetic meridian
An imaginary reference line passing through both geomagnetic poles of the Earth, used in models and maps of the Earth's magnetic field. |