adjective: (zootomy) Having teeth of different types (like most mammals).
adjective: (malacology) Of bivalves or their hinge teeth: having two to three wedge-shaped cardinal teeth set in the centre near the umbones, generally also with elongated lateral teeth on the anterior and posterior margins.
noun: (zoology) A heterodont animal.
noun: (malacology) A heterodont bivalve.
noun: A snake of the genus Heterodon which is native to North America.