MERIDIANS
- A circle of constant longitude passing through a given place on the earth's surface and the terrestrial poles
- A circle passing through the celestial poles and the zenith of a given place on the earth's surface
- (in acupuncture and Chinese medicine) Each of a set of pathways in the body along which vital energy is said to flow. There are twelve such pathways associated with specific organs
- MERIDIAN, a circle around the earth passing through both poles [n]