Dictionary
Holarctic
adjective Hol·arc·tic \hō-ˈlärk-tik, hä-, -ˈlär-tik\
Definition of HOLARCTIC
: of, relating to, or being the biogeographic region including the northern parts of the Old and the New Worlds and comprising the Nearctic and Palearctic regions or subregions
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First Known Use of HOLARCTIC
1883
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