noun (n)

• a connecting point at which several lines come together(noun.shape)

  source: wordnet30
• any thickened enlargement(noun.shape)

  Synonym:
  knob, thickening
  

  source: wordnet30
• (botany) the small swelling that is the part of a plant stem from which one or more leaves emerge(noun.plant)

  Synonym:
  leaf node
  

  source: wordnet30
• (physics) the point of minimum displacement in a periodic system(noun.location)

  Antonym:
  antinode
  

  source: wordnet30
• (astronomy) a point where an orbit crosses a plane(noun.location)

  source: wordnet30
• the source of lymph and lymphocytes(noun.body)

  Synonym:
  lymph gland, lymph node
  

  source: wordnet30
• any bulge or swelling of an anatomical structure or part(noun.body)

  source: wordnet30
• (computer science) any computer that is hooked up to a computer network(noun.artifact)

  Synonym:
  client, guest
  

  source: wordnet30
• A knot, a knob; a protuberance; a swelling.(noun)

  source: webster1913