A node is a point of connection. Technically, a traffic intersection is a node since multiple roads connect at that point.

Another type of node is a round swelling. Some are abnormal, like a node you discover on your knee, but others, such as a lymph node, are a normal part of your immune system. You can also find a node on a plant: it’s the swelling on the stem marking the spot where leaves emerge. Computer techs know that a node can also be a piece of equipment — like your cable modem — in a computer network. In a sense, that kind of node is also a connecting point — like the traffic intersection.

Definitions of node
  1. noun
    any thickened enlargement
    synonyms: knob, thickening
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    type of:
    convex shape, convexity
    a shape that curves or bulges outward
  2. noun
    any bulge or swelling of an anatomical structure or part
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    a small node
    type of:
    solid body substance
    the solid parts of the body
  3. noun
    (botany) the small swelling that is the part of a plant stem from which one or more leaves emerge
    synonyms: leaf node
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    type of:
    enation, plant process
    a natural projection or outgrowth from a plant body or organ
  4. noun
    (physics) the point of minimum displacement in a periodic system
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    (physics) the point of maximum displacement in a periodic system
    type of:
    the precise location of something; a spatially limited location
  5. noun
    the source of lymph and lymphocytes
    synonyms: lymph gland, lymph node
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    axillary node
    any of the lymph glands of the armpit; fights infections in the neck and chest and arm regions
    Peter's gland, Peyer's patch
    any of several lymph nodes in the walls of the intestines near the junction of the ileum and colon
    a lymph node that is inflamed and swollen because of plague or gonorrhea or tuberculosis
    type of:
    lymphatic tissue, lymphoid tissue
    tissue making up the lymphatic system
  6. noun
    (computer science) any computer that is hooked up to a computer network
    synonyms: client, guest
  7. noun
    a connecting point at which several lines come together
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    type of:
    connection, connexion, link
    a connecting shape
  8. noun
    (astronomy) a point where an orbit crosses a plane
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    ascending node
    the point at which an orbit crosses the ecliptic plane going north
    descending node
    the point at which an orbit crosses the ecliptic plane going south
    type of:
    celestial point
    a point in the heavens (on the celestial sphere)
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘node'. Views expressed in the examples do not represent the opinion of or its editors. Send us feedback
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