# Meridian

Meridian or a meridian line (from Latin meridies via Old French meridiane, meaning “midday”) may refer to

## Science

* Meridian (astronomy), imaginary circle in a plane perpendicular to the planes of the celestial equator and horizon
** Central meridian (astronomy)
* Meridian (geography), a longitude line, i.e. a line of constant longitude, or in other words an imaginary arc on the Earth's surface from the North Pole to the South Pole
** Meridian arc, the distance between two points with the same longitude
** Prime meridian, origin of longitudes
** Principal meridian, arbitrary meridians used as references in land surveying
* Meridian line, used with a gnomon to measure solar elevation and time of year
* Autonomous sensory meridian response, a static-like or tingling sensation on the skin

## Places
### Cities and towns

* Meridian, California (disambiguation), U.S., multiple California towns named Meridian
* Meridian, Colorado, U.S.
* Meridian Village, Colorado, U.S.
* Meridian, Florida, U.S.
* Meridian, Georgia, U.S.
* Meridian, Idaho, U.S.
* Meridian, Mississippi, U.S.
* Meridian, Nebraska, U.S.
* Meridian, New York, U.S.
* Meridian, Oklahoma (disambiguation), U.S., multiple Oklahoma towns named Meridian
* Meridian, Pennsylvania, U.S.
* Meridian, Seattle, Washington, U.S.
* Meridian, Texas, U.S.

### Townships

* Meridian Township, Clinton County, Illinois, U.S.
* Meridian Charter Township, Michigan, U.S.

### Buildings

* Meridian (Amtrak station), or Union Station, Meridian, Mississippi, U.S.
* Meridian Mall, Meridian Township, Michigan, U.S.
* Meridian Mall, Dunedin, New Zealand
* Meridian Hall (Washington, D.C.), listed on the National Register of Historic Places in Washington, D.C., U.S.
* Meridian Manor, listed on the National Register of Historic Places in Washington, D.C., U.S.
* Meridian Mansions, listed on the National Register of Historic Places in Washington, D.C., U.S.

### Other places

* Lake Meridian, Kent, Washington, U.S.
* Meridian Creek, a stream in Alaska, U.S.
* Meridian Glacier, Graham Land, Antarctica
* Meridian Peak, Eagles Nest Wilderness, near Vail, Colorado, U.S.
* Meridian Plantation, a quail-hunting plantation in Leon County, Florida, U.S., established in 1915

## Arts and entertainment
### Print

* Meridian (novel), 1976 novel by Alice Walker
* Meridian (comics), 2000–2004 comic book series published by CrossGen
* Meridian (W.I.T.C.H.), a fictional realm in the Italian comic book series W.I.T.C.H.
* Meridians: Feminism, Race, Transnationalism (est. 2000), an interdisciplinary peer-reviewed feminist journal

### Film and television

* Meridian: Kiss of the Beast, 1990 horror and romance film directed by Charles Band
* "Meridian" (Star Trek: Deep Space Nine), 1994 episode of the series
* "Meridian" (Stargate SG-1), 2002 episode of the series
* Meridian (film), 2016 film noir thriller directed by Curtis Clark
* ITV Meridian (formerly Meridian Broadcasting), ITV station for the south and south-east of England

### Music

* Meridian Records, record label
* Meridian Dawn, modern death metal band
* Meridian Green, California-based folk musician
* Meridian, 1997 album by Ian Pooley
* Meridian (Miriam Yeung album), 2007 album by Miriam Young
* Meridian (album), 2012 album by Pinegrove
* "Meridian", 2017 song by Odesza from A Moment Apart

### Other art

* Meridian (Hepworth), 1960 bronze sculpture by British artist Barbara Hepworth

## Business

* Meridian Audio, British manufacturer of audio equipment
* Meridian Credit Union, credit union based in Ontario, Canada
* Meridian Energy, New Zealand electricity generation and electricity retailing company
* Nortel Meridian, popular PBX telephone system

## Education

* Meridian High School (disambiguation)
* Meridian Technology Center, Stillwater, Oklahoma, United States

## Transportation

* Meridian (train), British Rail Class 222 trains
* Meridian (commuter rail), former commuter rail service in Germany operated by the Bayerische Oberlandbahn
* MS Meridian, cruise ship constructed in 1961
* Meridian (shipwreck), sunken schooner in Lake Michigan
* Piper Meridian, turboprop model of the Piper PA-46 aircraft
* Meridian LRT station, an LRT station on the Punggol LRT line East Loop in Singapore
* Meridian Airways, a defunct Ghanaian airline

## Other

* Bill Meridian (fl. 1972–1983), a financial astrologer
* Meridian (Chinese medicine), traditional Chinese medical theory, often employed in acupuncture
* Meridian (horse), American Thoroughbred racehorse, winner of 1911 Kentucky Derby
* Meridian (Nosgoth), the capitol of Nosgoth in Blood Omen 2: Legacy of Kain
* Meridian (perimetry, visual field), polar coordinate system for the visual field
* Meridian (satellite), a series of Russian military communications satellites
* Meridian F.C., English non-league football club
* Meridian Hospital, a private hospital in Port Harcourt, Rivers State, Nigeria
* Meridian Lossless Packing, a lossless audio compression technique used in DVD-Audio, HD DVD, and many Blu-ray discs