coronary sinus coronary occlusion • coronary thrombosis · · · Info · Definitions · Synonyms · Characters · · coronary sinus · · Text Common · · Latin · · Scripts 14 · · Length 6 · · Syllables Definitions · · · (noun) a short sinus receiving most of the veins of the heart; empties into the right atrium. Synonyms: coronary sinus, sinus coronarius. · · Noun Definition 1 Synonyms · · · sinus coronarius · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 y latin small letter y U+0079