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Meaning of meridian
The primary meaning of the word "meridian" is a line or circle on the Earth's surface, especially an imaginary line running from the North Pole to the South Pole.
Etymology of meridian
The word "meridian" comes from the Latin "meridies", meaning "midday" or "south", which is derived from "merus", meaning "pure" and "dies", meaning "day".
The term "meridian" has been used in geography and astronomy since the 15th century to describe lines or circles on the Earth's surface.
Over time, the term has also been used in other fields, such as anatomy and traditional Chinese medicine, to describe imaginary lines or channels.
Synonyms
Definitions
- A meridian is an imaginary line on the Earth's surface that runs from the North Pole to the South Pole, used for navigation and mapping.
- In astronomy, a meridian is an imaginary line that passes through the zenith and the nadir, used to measure the position of celestial objects.
- In anatomy, a meridian is an imaginary line or channel through which energy or a vital force is believed to flow, used in traditional Chinese medicine.
Usage Examples
- The meridian line that passes through Greenwich, England, is used as a reference point for navigation and mapping.
- The astronomer used a meridian circle to measure the position of the stars in the night sky.
- In traditional Chinese medicine, the practitioner believed that the meridian lines on the body were blocked, causing the patient's illness.