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 Sundial#Meridian lines, 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), ''Meridian'' (novel), 1976 novel by Alice Walker * Meridian (comics), ''Meridian'' (comics), 2000–2004 comic book series published by CrossGen * Meridian (W.I.T.C.H.), 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 List of feminist art magazines, 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), "Meridian" (''Star Trek: Deep Space Nine''), 1994 episode of the series * Meridian (Stargate SG-1), "Meridian" (''Stargate SG-1''), 2002 episode of the series * Meridian (film), ''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), ''Meridian'' (Miriam Yeung album), 2007 album by Miriam Young * Meridian (album), ''Meridian'' (album), 2012 album by Pinegrove * "Meridian", 2017 song by Odesza from ''A Moment Apart''

Other art

* Meridian (Hepworth), ''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, MS ''Meridian'', cruise ship constructed in 1961 * Meridian (shipwreck), ''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 capital 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