joint or node of a plant; joint in the body of a human or animal

(bound form) limb; arms or legs of a human; four legs of a beast or the wings and feet of a bird

(bound form) to be situated between two things; to interpose

(bound form) the form, state, or shape of a substance, such as a solid or liquid; the configuration or structure of an object

a type of tiny microorganism that causes infection and can only reproduce inside the living cells of a host