node - definition and synonyms

noun [countable] 

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  1. 1
    medical a round lump in your body formed from cells or tissue
  2. 2
    biology the swollen part of the stem of a plant where a leaf grows
  3. 3
    maths the place where lines cross or meet, for example on a graph
  4. 4
    computing a point on a computer network where a message can be created or received
  5. 5
    the place where two parts of a structure meet