ellipsoidal joint

[ i-lĭp-soidl, ĕl′ĭp-, ē′lĭp- ]

n.

A modified biaxial ball-and-socket joint in which the joint surfaces are elongated or ellipsoidal.condylar joint
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.