| rotary joint | |
noun | |
| a freely moving joint in which movement is limited to rotation; "the articulation of the radius and ulna in the arm is a pivot joint" [syn: pivot joint] |
rotary joint ro·ta·ry joint (rō'tə-rē) or ro·ta·to·ry joint (rō'tə-tôr'ē)
n.
See trochoid joint.