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Meaning & Definition of Sinus in English

English

Sinus

/saɪnəs/

noun

1. An abnormal passage leading from a suppurating cavity to the body surface

    synonym:
  • fistula
  • ,
  • sinus

2. Any of various air-filled cavities especially in the bones of the skull

    synonym:
  • sinus

3. A wide channel containing blood

  • Does not have the coating of an ordinary blood vessel
    synonym:
  • venous sinus
  • ,
  • sinus