Definition of Holarctic in English:

Holarctic

Pronunciation /ˌhälˈärktik/ /ˌhɑlˈɑrktɪk/

adjective

Zoology
  • Relating to or denoting a zoogeographical region comprising the Nearctic and Palearctic regions combined. The two continents have been linked intermittently by the Bering land bridge, and the faunas are closely related.

    ‘we were interested in updating information on an uncommon migratory seabird with a Holarctic distribution’
    • ‘Magpies occur throughout large parts of the Holarctic region.’
    • ‘In this study, we were interested in updating available information on an uncommon migratory seabird with a Holarctic distribution, the ivory gull.’
    • ‘These represent robust wolf-sized dogs thought to have derived from the large northern Holarctic wolf form C. l. lupus.’
    • ‘Moreover, golden eagles have a Holarctic distribution and are not threatened with extinction in North America.’
    • ‘Moreover, most Holarctic migratory ducks that pair seasonally do so during winter away from the breeding grounds.’

noun

Zoology
the Holarctic
  • The zoogeographical region comprising the Nearctic and Palearctic regions combined.

    • ‘the gray wolf is a highly mobile and adaptable carnivore that up to few centuries ago was widespread throughout the Holarctic’

Origin

Late 19th century from holo-‘whole’ + Arctic.