What is the meaning of sinus?

noun

  • An abnormal passage leading from a suppurating cavity to the body surface.
  • Any of various air-filled cavities especially in the bones of the skull.
  • A wide channel containing blood; does not have the coating of an ordinary blood vessel.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). sinus. Retrieved September 20, 2026, from http://smartdefine.org/sinus/definitions/1212121
ChicagoWordNet. 2010. "sinus" http://smartdefine.org/sinus/definitions/1212121 (accessed September 20, 2026).
HarvardWordNet 2010, sinus, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/sinus/definitions/1212121>.
MLAWordNet. "sinus" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/sinus/definitions/1212121>
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