English dictionary

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English noun: sinus

1. sinus (body) an abnormal passage leading from a suppurating cavity to the body surface


Broader (hypernym)passage, passageway

2. sinus (body) any of various air-filled cavities especially in the bones of the skull

Broader (hypernym)bodily cavity, cavity, cavum

Narrower (hyponym)ethmoid sinus, ethmoidal sinus, frontal sinus, maxillary sinus, nasal sinus, paranasal sinus, sinus ethmoidales, sinus paranasales

3. sinus (body) a wide channel containing blood; does not have the coating of an ordinary blood vessel

Synonymsvenous sinus

Broader (hypernym)canal, channel, duct, epithelial duct

Narrower (hyponym)cavernous sinus, coronary sinus, sigmoid sinus, sinus cavernosus, sinus coronarius, sinus rectus, sinus sigmoideus, sinus transversus, straight sinus, tentorial sinus, transverse sinus

Based on WordNet 3.0 copyright © Princeton University.
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