from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A region that is coextensive with the Neotropical region and is considered one of the primary biogeographic realms.
from The Century Dictionary and Cyclopedia
- n. In zoögeog., the New World or western hemisphere, considered with reference to the geographical distribution of plants and animals: opposed to Palæogæa.
New Latin : neo- + Greek gaia, earth.(American Heritage® Dictionary of the English Language, Fourth Edition)
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