Sinus

Pronunciation

• IPA: /ˈsaɪnÉ™s/
• Rhymes: -aɪnÉ™s

Origin

From Latin sinus.

Noun

1. (anatomy) A pouch or cavity in any organ or tissue, especially the paranasal sinus.
2. (pathology) An abnormal cavity or passage such as a fistula, caused by the destruction of tissue.
3. A bay of the sea; a recess in the shore.

Derived terms

• sinusitis
• ethmoid sinus
• frontal sinus
• maxillary sinus
• sphenoid sinus
• paranasal sinus

Anagrams

• nisus, Sunis