cotyloid joint is a noun meaning "a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone". It carries one recorded sense.
a freely moving joint in which a sphere on the head of one bone fits into a rounded cavity in the other bone
Definitions, synonyms and semantic relations for cotyloid joint come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.