Boreal definition

bôrē-əl

Of or relating to the north; northern.

adjective

Of or relating to the forest areas of the northern North Temperate Zone, dominated by coniferous trees such as spruce, fir, and pine.

adjective

Of or concerning the north wind.

adjective

Northern.

adjective

Of the north wind.

adjective

Relating to the north or to northern areas.

Relating to the forest areas of the Northern Temperate Zone that are dominated by coniferous trees such as spruce, fir, and pine.

Of, relating to, or coming from the north.

adjective

Of or pertaining to the northern zone of plant and animal life including the taiga and tundra.

adjective

Relating to the north wind.

(geology, paleontology) A subdivision of the Holocene epoch.

noun

Origin of boreal

Middle English from Late Latin Boreālis from Latin Boreās Boreas Boreas

From American Heritage Dictionary of the English Language, 5th Edition
From Latin boreālis (“northern”), from Boreās, from Ancient Greek Βορέας (Boreās, “personification of the north wind”), from Balto-Slavic.

From Wiktionary