Dictionary
di•ar•thro•sis
Pronunciation: (dī"är-thrō'sis), [key]—
n.,
—pl. -sesPronunciation: (-sēz). [key]
Anat.
a form of articulation that permits maximal motion, as the knee joint.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.