Sinus passages Synonyms

We can't find synonyms for the phrase "Sinus passages", but we have synonyms for terms, you can combine them.

SP abbreviation

SP is an abbreviation for Sinus Passages
What does SP stand for?
SP stands for "Sinus Passages"

Definitions for Sinus


  • (noun) an abnormal passage leading from a suppurating cavity to the body surface
  • (noun) any of various air-filled cavities especially in the bones of the skull
  • (noun) a wide channel containing blood ; does not have the coating of an ordinary blood vessel