Ginglymus

[dʒiŋglimәs]

(n.) A hinge joint; an articulation, admitting of flexion and extension, or motion in two directions only, as the elbow and the ankle.

Typist: Sam

n. a joint that permits flexion and extension in a single plane as at the elbow and ankle:—pl. Ging′lymī.

Typist: Stacey