Definition of odontoid in English:

odontoid

(also odontoid process)

noun

Anatomy
  • A projection from the second cervical vertebra (axis) on which the first (atlas) can pivot.

    as modifier ‘the anterior odontoid joint’
    • ‘One of the serious complications of RA result from involvement of the synovium around the odontoid process.’
    • ‘Some months ago a less than dramatic surfing accident left me with an odontoid fracture and an abrupt suspension of my life as a research paediatrician in the Gambia.’
    • ‘The axis possesses an ovate odontoid process for articulation with the preceding atlas.’

Origin

Early 19th century: from Greek odontoeidēs, from odous, odont- ‘tooth’ + eidos ‘form’.

Pronunciation

odontoid

/ə(ʊ)ˈdɒntɔɪd/