Definition of edentulous in English:

edentulous

adjective

Zoology Medicine
  • Lacking teeth.

    • ‘The two intermediate species are estimated to weigh between 200 and 500 kg and include Maleevosaurus novojilovi, a carnivore, and Gallimimus bullatus, an edentulous putative omnivore.’
    • ‘The lower jaw of this form may have been edentulous and supported a gular sac, like that of a giant pelican or baleen whale.’
    • ‘He was edentulous, and neck examination showed an enlarged, tender, right submandibular lymph node that had been present for 8 to 9 months without associated fever or weight loss.’
    • ‘The edentulous anterior portion of the mandible is approximately half as thick as the tooth-bearing region.’
    • ‘If the edentulous and presumably less carnivorous theropods are considered as part of the predator guild, then total species diversity is similar in both mammalian and theropod guilds.’

Origin

Early 18th century: from Latin edentulus, from e- (variant of ex-) ‘out’ + dens, dent- ‘tooth’ + -ulous.

Pronunciation

edentulous

/ɪˈdɛntjʊləs/