Definitions for nearcticniˈɑrk tɪk, -ˈɑr-
Random House Webster's College Dictionary
Ne•arc•ticniˈɑrk tɪk, -ˈɑr-(adj.)
belonging to a zoogeographical division comprising temperate Greenland and arctic North America, sometimes including high mountainous regions of the northern Temperate Zone.
Origin of Nearctic:
One of the major ecozones of the world, covering most of the North American continent.
of or pertaining to a region of the earth's surface including all of temperate and arctic North America and Greenland. In the geographical distribution of animals, this region is marked off as the habitat certain species