Definition of nomen oblitum in English:

nomen oblitum

noun

Taxonomy
  • A Latin name which has been rejected despite being a senior synonym or senior homonym, through having been unused for a period specified in the appropriate code of biological nomenclature.

Origin

1960s. From scientific Latin nomen oblitum from classical Latin nōmen + oblītum, neuter singular of oblītus forgotten.

Pronunciation

nomen oblitum

/ˌnəʊmən əˈbliːtəm//ˌnəʊmɛn əˈbliːtəm/