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)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.