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From French lobe, from New Latin lobus (a lobe), from Ancient Greek λοβός (lobós, the lobe of the ear or of the liver, the pod of a leguminous plant).



lobe (plural lobes)

  1. Any projection or division, especially one of a somewhat rounded form.
    A lobe of lava was crawling down the side of the volcano.
    • 1958, Chinua Achebe, Things Fall Apart, London: William Heinemann, Chapter 19,
      He then broke the kola nut and threw one of the lobes on the ground for the ancestors.
  2. (anatomy) A clear division of an organ that can be determined at the gross anatomy level, especially one of the parts of the brain, liver or lung.
    • 2013 August 3, “The machine of a new soul”, in The Economist, volume 408, number 8847:
      The yawning gap in neuroscientists’ understanding of their topic is in the intermediate scale of the brain’s anatomy. Science has a passable knowledge of how individual nerve cells, known as neurons, work. It also knows which visible lobes and ganglia of the brain do what. But how the neurons are organised in these lobes and ganglia remains obscure.
  3. (figure skating) A semicircular pattern left on the ice as the skater travels across it.


Hyponyms of lobe
  • See also Thesaurus:lobe
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    1. First-person singular present of loben.
    2. First-person singular subjunctive I of loben.
    3. Third-person singular subjunctive I of loben.
    4. Imperative singular of loben.