Link Centre Dictionary

sinus

si·nus

UK/ˈsaɪ.nəs/ US/ˈsaɪnʌs/ uncommon

noun

1.

an abnormal passage leading from a suppurating cavity to the body surface

Synonyms
2.

any of various air-filled cavities especially in the bones of the skull

3.

a wide channel containing blood; does not have the coating of an ordinary blood vessel

Synonyms

Origin

Learned borrowing from Latin sinus (“a bent surface, curve, hollow”). Doublet of sine.

Phrases

  • confluence of sinuses
  • dural sinus
  • dural venous sinus
  • inferior petrosal sinus
  • inferior sagittal sinus
  • pyriform sinus
  • sick sinus syndrome
  • sinus brady

Related words

Word family

Broader terms

Narrower terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.