I. |te.trə+ adjective
Etymology: International Scientific Vocabulary tetra- + lophodont
1. of a molar tooth : having four crests or ridges
2. : having tetralophodont molars
II. adjective
Etymology: New Latin Tetralophodont-, Tetralophodon
: of or relating to the genus Tetralophodon
III. noun
: a mastodon of the genus Tetralophodon