pessary
n
(medical 医)
1 small tablet placed in a woman´s vagina and left to dissolve (to prevent conception or to cure an infection); vaginal suppository 阴道栓(避孕或治疗炎症的).
2 device placed in a woman´s vagina to prevent conception (also diaphragm pessary) or to support the womb 子宫帽(避孕用的); 子宫托(治疗子宫下垂的).