Definition of taxodont in US English:

taxodont

adjective

Zoology
  • Of the shell of a bivalve mollusc: having the hinge formed by a long series of similar teeth and sockets, typified (in some classification schemes) by the order Taxodonta, which contains the ark shells.

noun

Zoology
  • A mollusc with a taxodont shell hinge; specifically a mollusc of the order Taxodonta. Now rare.

Origin

Late 19th century. From ancient Greek τάξις arrangement, order + -odont, after scientific Latin Taxodonta, order name.

Pronunciation

taxodont

/ˈtaksədɒnt/