Neogaea Syllabification: (Ne·o·gae·a)Pronunciation: /ˌnēəˈjēə/ (also Neogea) ZoologyDefinition of Neogaea a zoogeographical area comprising the Neotropical region. Derivatives Neogaean adjective Origin:modern Latin, from Greek neos 'new' + gaia 'earth'Neogaea in other Oxford dictionaries Definition of Neogaea in the British & World English dictionary