Node (tribe) definition

(1) (computer science) any computer that is hooked up to a computer network

(2) Any bulge or swelling of an anatomical structure or part

(3) The source of lymph and lymphocytes

(4) (astronomy) a point where an orbit crosses a plane

(5) (physics) the point of minimum displacement in a periodic system

(6) Any thickened enlargement

(7) A connecting point at which several lines come together