hinge joint
bone joint in which the articular surfaces are molded to each other in such a manner as to permit motion only in one plane
en-US/ˈhɪnd͡ʒ ˈd͡ʒɔɪnt/
en-GB/ˈhɪnd͡ʒ ˈd͡ʒɔɪnt/
bone joint in which the articular surfaces are molded to each other in such a manner as to permit motion only in one plane