any of the undersurface protuberances of the occipital bone in vertebrates, which function in articulation with the superior facets of the atlas vertebra.
occipital bone 1
noundomain: body part
Princeton WordNet [ver.3.1]
English
Definition
a saucer-shaped membrane bone that forms the back of the skull
any of the undersurface protuberances of the occipital bone in vertebrates, which function in articulation with the superior facets of the atlas vertebra.