holarctic adjective & noun. [hǝʊ'lɑ:ktɪk] Also Holarctic. L19.
[from HOLO- + ARCTIC adjective.]
A. adjective. Of, pertaining to, or (usu. Holarctic) designating the biogeographical region which includes the cold and temperate zones of the northern hemisphere (i.e. both Nearctic and Palaearctic regions). Of an animal: inhabiting or (esp.) distributed throughout this region; circumpolar. L19.
b. ellipt. as noun. (Usu. Holarctic.) The Holarctic region. L20.

[TahlilGaran] English Dictionary ▲