noun🔗ShareA pouch or cavity in any organ or tissue, especially the paranasal sinus."The doctor said my headache was caused by pressure in my sinus. "anatomyorganmedicinephysiologybodyChat with AIVocabulary GamePractice Reading
noun🔗ShareA channel for transmitting venous blood."The doctor examined the sinus in her patient's neck, finding a blockage that was preventing venous blood from flowing properly. "anatomyorganphysiologymedicinebodyChat with AIVocabulary GamePractice Reading
noun🔗ShareA notch or depression between two lobes or teeth in the margin of an organ."The leaf had a small sinus between its two lobes, giving it a slightly indented appearance. "anatomyphysiologymedicineorganbodyChat with AIVocabulary GamePractice Reading
noun🔗ShareAn abnormal cavity or passage such as a fistula, caused by the destruction of tissue."The surgeon repaired the sinus that had formed in his patient's cheek after the accident. "medicineanatomydiseasebodyChat with AIVocabulary GamePractice Reading
noun🔗ShareA bay of the sea; a recess in the shore."The small fishing village nestled in the sinus of the coastline, protected from the harsh open sea. "geographyoceanplaceChat with AIVocabulary GamePractice Reading
