from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or designating the biogeographic region that includes the Arctic and Temperate areas of North America and Greenland.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. One of the major ecozones of the world, covering most of the North American continent.
from the GNU version of the Collaborative International Dictionary of English
- adj. 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.
from The Century Dictionary and Cyclopedia
- In zoögeog., belonging to the northern part of the New World or western hemisphere: specifically applied to one of the six prime divisions of the earth's surface made by Sclater with reference to the geographical distribution of animals: distinguished from Neotropical in the New World and Palearctic in the Old.
ne(o)- + arctic.(American Heritage® Dictionary of the English Language, Fourth Edition)