二に尖せん弁べんにせんべんMeanings1nounbicuspid valve; mitral valveanatomy›Anatomical term for the valve between the left atrium and left ventricle of the heart. In medical contexts, 僧帽弁 is more common.See also: 僧帽弁二に尖せん弁べんは左さ心しん房
