Definition of "northern"

northern

/ˈnɔːðən/

adjective
comparative more northern, superlative most northern
1. Of, facing, situated in, or related to the north; northerly.
  Quotations
  Floods in northern India, mostly in the small state of Uttarakhand, have wrought disaster on an enormous scale. The early, intense onset of the monsoon on June 14th swelled rivers, washing away roads, bridges, hotels and even whole villages.
  2013 June 29, “High and wet”, in The Economist, volume 407, number 8842, page 28
2. (of a wind) Blowing from the north; northerly.
3. (Britain) Characteristic of the North of England (usually capitalised)
noun
plural northerns
1. An inhabitant of the northern regions.
2. (fishing) The northern pike.
  Quotations
  As is the case with northerns, the female muskie, trailed by her attendant males, may broadcast eggs over several hundred yards.
  1993, Barry Reynolds, John Berryman, Pike on the Fly: The Flyfishing Guide to Northerns, Tigers, and Muskies
3. A film or other dramatic work set primarily in the late 19th or early 20th century in the north of North America, primarily in western Canada but also in Alaska, often with a Mountie as the protagonist.