Definition of nomen dubium in English:

nomen dubium

noun

Taxonomy
  • A Latin name for which there is insufficient information to establish the organism or taxon to which it was intended to be applied.

Origin

1930s. From scientific Latin nomen dubium from classical Latin nōmen + dubium, neuter of dubius doubtful.

Pronunciation

nomen dubium

/ˌnəʊmɛn ˈdjuːbɪəm//ˌnəʊmən ˈdjuːbɪəm/