[di.ar.thro.sis] n, pl -thro.ses [NL, fr. Gk diarthrosis, fr. diarthroun to joint, fr. dia- + arthroun to fasten by a joint, fr. arthron joint--more at arthr-] (1578) 1: articulation that permits free movement
2: a freely movable joint
[di.ar.thro.sis] n, pl -thro.ses [NL, fr. Gk diarthrosis, fr. diarthroun to joint, fr. dia- + arthroun to fasten by a joint, fr. arthron joint--more at arthr-] (1578) 1: articulation that permits free movement
2: a freely movable joint
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012