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nodus

American  
[noh-duhs] / ˈnoʊ dəs /

noun

plural

nodi
  1. a difficult or intricate point, situation, plot, etc.


nodus British  
/ ˈnəʊdəs /

noun

  1. a problematic idea, situation, etc

  2. another word for node

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of nodus

1350–1400; Middle English: knot in the flesh < Latin nōdus knot