1. A connecting point at which several lines come together
   "The diagram showed several nodes where the circuits intersected"
    
2. (computing) any computer that is hooked up to a computer network
   "The IT team added several new nodes to expand the network";
   - client, guest
    
3. A localized swelling, enlargement, or bulge in an otherwise uniform structure, especially in anatomy or botany
   "The node on the branch indicated a new growth point";
   - knob, thickening
    
4. (botany) the small swelling that is the part of a plant stem from which one or more leaves emerge
   "New growth often begins at the leaf nodes";
   - leaf node
    
5. The source of lymph and lymphocytes
   "Swollen lymph nodes can be a sign of infection or other medical conditions";
   - lymph node, lymph gland
    
6. Any bulge or swelling of an anatomical structure or part
   "Lymph nodes can become swollen when fighting an infection"
    
7. (mathematics) a point at which a function's value equals zero
   "The sine wave has nodes at 0, π, and 2π"
    
8. (physics) the point of minimum displacement in a periodic system
   "The nodes of a standing wave remain stationary"
    
9. (astronomy) a point where an orbit crosses a plane
   "The satellite passed through the ascending node of its orbit"

Derived forms: nodes

Type of: celestial point, computer, computing device, computing machine, connection, connexion [Brit], convex shape, convexity, data processor, electronic computer, enation, information processing system, link, lymphatic tissue, lymphoid tissue, plant process, point, solid body substance

Antonym: antinode

Part of: cardiovascular system, circulatory system, computer network, immune system, stalk, stem

Encyclopedia: Node, Kentucky