The Collaborative International Dictionary
Odontoid process
Odontoid \O*don"toid\, a. [Gr. ?; 'odoy`s, 'odo`ntos, a tooth + e'i^dos form: cf. F. odonto["i]de.] (Anat.)
Having the form of a tooth; toothlike.
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Of or pertaining to the odontoid bone or to the odontoid process.
Odontoid bone (Anat.), a separate bone, in many reptiles, corresponding to the odontoid process.
Odontoid process, or Odontoid peg (Anat.), the anterior process of the centrum of the second vertebra, or axis, in birds and mammals. See Axis.
WordNet
odontoid process
n. a toothlike process at the back of 2nd vertebra of the neck