diarthrosis

noun di·ar·thro·sis \ˌdī-är-ˈthrō-səs\

plural di·ar·thro·ses\-ˌsēz\

Definition of DIARTHROSIS

: articulation that permits free movement

: a freely movable joint

New Latin, from Greek diarthrōsis, from diarthroun to joint, from dia- + arthroun to fasten by a joint, from arthron joint — more at arthr-

First Known Use: 1578

Medical Dictionary

noun di·ar·thro·sis \ˌdī-är-ˈthrō-səs\

plural di·ar·thro·ses \-ˌsēz\

: articulation that permits free movement

: a freely movable joint—called also synovial joint

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