odontoid : Idioms & Phrases
Odontoid bone
(Anat.) , a separate bone, in many reptiles, corresponding to the odontoid process.
Webster 1913
odontoid process
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noun a toothlike process at the back of 2nd vertebra of the neck
WordNet
Odontoid process , ∨ Odontoid peg
(Anat.) , the anterior process of the centrum of the second vertebra, or axis, in birds and mammals. SeeAxis .