Gĭn'glȳ-mŭs, n.

n.; pl. GĬN'GLY-MĪ. [Gr. γίγγλυμος, any hinge-like joint, a ball-and-socket joint.] (Anat.) A kind of articulation admitting of only two motions, as in a hinge; that species of articulation in which, either by the action of lateral tendons, or by transverse extension or irregularity of the joint, only flexion and extension are possible, as in the elbow-joint.