The Collaborative International Dictionary of English v.0.48:

Neo-Latin \Ne`o-Lat"in\, a. [Neo- + Latin.]
   Applied to the Romance languages, as being mostly of Latin
   origin.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Neo-Latin
    n 1: Latin since the Renaissance; used for scientific
         nomenclature [syn: Neo-Latin, New Latin]