HolarcticPronunciation: /hə(ʊ)ˈlɑːktɪk/Definition of Holarctic adjective Zoology relating to or denoting a zoogeographical region comprising the Nearctic and Palaearctic regions combined. The two continents have been linked intermittently by the Bering land bridge, and the faunas are closely related. (as noun the Holarctic) the Holarctic region. Origin: late 19th century: from holo- 'whole' + ArcticHolarctic in other Oxford dictionaries Definition of Holarctic in the US English dictionary
