Definition of pachyodont in English:

pachyodont

Pronunciation /ˈpakɪə(ʊ)ˌdɒnt/

adjective

Zoology
  • Having thick or massive teeth; specifically of, relating to, or designating (the dentition of) a bivalve mollusc characterized by one to three heavy, blunt teeth in the hinge of the shell, as typical of the extinct rudists (sometimes classified in an order Pachyodonta).

noun

rare Zoology
  • A pachyodont bivalve mollusc.

Origin

Late 19th century; earliest use found in The Century Dictionary. From pachy- + -odont.