noun🔗ShareA pouch or cavity in any organ or tissue, especially the paranasal sinus."My sinuses are blocked, so I have a stuffy nose. "anatomyorganbodymedicinephysiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA channel for transmitting venous blood."The doctor examined the sinuses in my head to check for congestion that could be affecting blood flow. "anatomyphysiologyorganbodymedicineChat with AIVocabulary GamePractice Reading
noun🔗ShareA notch or depression between two lobes or teeth in the margin of an organ."The biologist pointed out the small sinuses on the edge of the maple leaf, where the lobes met. "anatomyphysiologyorganbodymedicineChat with AIVocabulary GamePractice Reading
noun🔗ShareAn abnormal cavity or passage such as a fistula, caused by the destruction of tissue."The surgery created sinuses in his jaw, making chewing difficult. "anatomyorganbodymedicineChat with AIVocabulary GamePractice Reading
noun🔗ShareA bay of the sea; a recess in the shore."The small sailboats bobbed gently in the sinuses of the rocky coastline, sheltered from the open sea. "geographynauticaloceannatureplaceChat with AIVocabulary GamePractice Reading
