Definition of sinus
English to English noun - an abnormal passage leading from a suppurating cavity to the body surface
source: WordNet 3.0 - any of various air-filled cavities especially in the bones of the skull
source: WordNet 3.0 - a wide channel containing blood; does not have the coating of an ordinary blood vessel
source: WordNet 3.0 - An opening; a hollow; a bending.
source: Webster 1913
Visual Synonyms 
Nearby Word
sinus, sinusô, socinus, scincus, sinuose, sinuous, schinus, sinewous, sinsay, sinque, simous, sowins, simonious, succinous, siyense, sonchus, siyansi, sens, sing, siemens
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