Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or relating to meridians or a meridian.
  • adj. Located in the south; southern.
  • adj. Of or characteristic of southern areas or people.
  • n. An inhabitant of a southern region, especially the south of France.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An inhabitant of a southern region, especially the south of France.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to the meridian.
  • adj. Having a southern aspect; southern; southerly.

from The Century Dictionary and Cyclopedia

  • Pertaining to the meridian; having a direction like that of a terrestrial meridian.
  • Highest; consummate.
  • Southern; southerly; extending or turned toward the south.
  • Characteristic of southern climates or southern peoples.
  • n. One who dwells in the south; specifically, an inhabitant of the south of France.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. of or relating to a meridian
  • adj. located in the south or characteristic of southern people or places

Etymologies

Middle English, pertaining to the sun's position at noon, from Old French meridionel, southern, from Late Latin merīdiōnālis, from Latin merīdiānus, of midday, southern; see meridian.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle French meridional, from Latin merīdiōnālis, from merīdiēs ("noon; south"). (Wiktionary)

Examples

  • Temperatures in the North Atlantic are influenced by a giant 'conveyor belt' of warm water from the south called the meridional overturning circulation.

    A natural stop to global warming....

  • The currents are driven by a “conveyor belt” mechanism, known as the meridional overturning circulation, that depends on salinity to keep it running: as water from the warm Gulf moves northward, it evaporates moisture to the colder atmosphere, which increases the ocean water salinity and thus its density; the denser water sinks and flows back southward, where the cycle begins anew.

    Where have all the glass eels gone? Nobody knows.

  • After this, I have gone toward the parts meridional, that is, toward the south, and I have found that in Lybia men see first the star

    The Travels of Sir John Mandeville

  • Jet streams sometimes form huge loops over North America, with segments flowing from north to south or south to north - what scientists call meridional flow.

    The Globe and Mail - Home RSS feed

  • This flow is instrumental to regulating the strength of a current known as the meridional overturning circulation, a key driver of heat from the tropics to the poles.

    Earth News, Earth Science, Energy Technology, Environment News

  • The tangential plane (also called the meridional plane) contains the chief ray and the optical axis of the lens (or lens system), while the sagittal plane (also called the radial and / or equitorial plane) contains only the chief ray and is positioned perpendicular to the tangential plane.

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  • It shows how the graceful fiction that Italy is all "meridional" flourished for some time before being refuted by grumbling tourists.

    Italian Hours

  • The sunspot cycle is thought to arise from large-scale motions inside the sun: north-south and east-west flows (meridional circulation and torsional oscillation, respectively) and differential rotation in which the solar equator rotates faster than the poles.

    October 24th, 2009

  • Eratosthenes used rough estimates and round numbers, but depending on the length of the stadion, his result is within a margin of between 2% and 20% of the actual meridional circumference, 40,008 kilometres (24,860 mi).

    Think Progress » Inhofe’s Grandchildren Build Igloo To Mock Killer Snow Storm: ‘Al Gore’s New Home’

  • Arctic ozone levels exhibit high natural seasonal and interannual variability, driven primarily by atmospheric dynamics that govern the largescale meridional transport of ozone from the tropics to high latitudes.

    Ozone and Ultraviolet Radiation in the Arctic

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