lophodontPronunciation: /ˈləʊfə(ʊ)dɒnt, ˈlɒf-/Definition of lophodont adjective Zoology (of molar teeth) having transverse ridges on the grinding surfaces, characteristic of some ungulates. (of an ungulate) having lophodont teeth. noun an animal with lophodont teeth. Origin: late 19th century: from lopho- 'crest' + Greek odous, odont- 'tooth'lophodont in other Oxford dictionaries Definition of lophodont in the US English dictionary