lophodont
/ˈləʊfədɒnt/adjective
1- Zoology (of molar teeth) having transverse ridges on the grinding surfaces, characteristic of some ungulates【动】（臼齿）脊型齿的, 脊齿型的。
1.1
- (of an ungulate) having such teeth（有蹄类动物）有脊型齿的。
词源
late 19th cent.: from LOPHO- 'crest' + Greek odous, odont- 'tooth'.