- (a.) Northern; pertaining to the north or to the north wind; as, a boreal bird; a boreal blast.
- (a.) Designating or pertaining to a terrestrial division consisting of the northern and mountainous parts of both the Old and the New World; -- equivalent to the Holarctic region exclusive of the Transition, Sonoran, and corresponding areas. The term is used by American authors and applied by them chiefly to the Nearctic subregion. The Boreal region includes approximately all of North and Central America in which the mean temperature of the hottest season does not exceed 18
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). boreal. Retrieved September 23, 2026, from http://smartdefine.org/boreal/definitions/1981683 |
| Chicago | Webster's. 2011. "boreal" http://smartdefine.org/boreal/definitions/1981683 (accessed September 23, 2026). |
| Harvard | Webster's 2011, boreal, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/boreal/definitions/1981683>. |
| MLA | Webster's. "boreal" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/boreal/definitions/1981683> |