Sinus
"Sinus" in cmn
竇 /窦
dòu
(pouch or cavity in a bone or other tissue)
竇 /窦
dòu
(venous or lymphatic cavity)
竇性 /窦性
dòuxìng
(relating to the sinoatrial node)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.