adjective
or arc·to·ge·an |arktə|jēən ; also arc·to·gae·al or arc·to·ge·al -ēəl
Usage: usually capitalized
Etymology: New Latin Arctogaea, Arctogea, a biogeographic realm (from arct- + -gaea, -gea ) + English -an
: of, relating to, or being a biogeographic realm that comprises the Holarctic, Ethiopian, and Oriental regions