From Latinboreālis (“northern”), from Boreās, from Ancient Greek Βορέας (Boreās, “personification of the north wind”), from Balto-Slavic.
Middle English from Late Latin Boreālisfrom Latin BoreāsBoreasBoreas
American Heritage Dictionary of the English Language, 5th Edition
Boreal Sentence Examples
He further found that there was an element which he termed boreal in a more intense degree, which amounted to about a fifteenth of the whole flora.
Of these 40 are boreal, 22 austral and 69 tropical.
Except in the boreal areas the breech-clout was nearly universal with men, and the cincture or short petticoat with women.
Fauna.Differences of temperature have produced in North America seven transcontinental life-zones or areas characterized by relative uniformity of both fauna and flora; they are the Arctic, Hudsonian and Canadian, which are divisions of the Boreal Region; the Transition, Upper Austral and Lower Austral, which are divisions of the Austral Region, and the Tropical.
The boreal embraces the highest mountain altitudes; the transition belts it on both sides of the continental divide; the upper Sonoran takes in about the eastern half of the plains region east of the mountains, and is represented further by two small valley penetrations from Utah.