boreal
a. வடதிசைத் தொடர்பான, வடகாற்றைச் சார்ந்த.
Bo"re*al, a. Etym: [L. borealis: cf. F. boréal. See Boreas.] Defn: Northern; pertaining to the north, or to the north wind; as, a boreal bird; a boreal blast. So from their own clear north in radiant streams, Bright over Europe bursts the boreal morn. Thomson.