odontoid process

English Thesaurus

1. a toothlike process at the back of 2nd vertebra of the neck (noun.body)

hypernym	:	appendage, outgrowth, process,
definition	:	a natural prolongation or projection from a part of an organism either animal or plant (noun.body)

part meronym	:	axis, axis vertebra,
definition	:	the 2nd cervical vertebra; serves as a pivot for turning the head (noun.body)