the world > animals > animal body > general parts > constituent materials > [noun] > joint (3)
An arrangement, structure, or mechanism in an animal body, whereby two bones (or corresponding parts of an invertebrate animal) are fitted together…
transferred. A limb, leg, etc.; any joint of the carcass of a beast or bird.
A bend, a part of something which bends; esp. a hinged joint part way along a limb. In later use also: flexibility. Now rare.