pessary
n
(medical 醫(yī))
1 small tablet placed in a woman's vagina and left to dissolve (to prevent conception or to cure an infection); vaginal suppository 陰道栓(避孕或治療炎癥的).
2 device placed in a woman's vagina to prevent conception (also diaphragm pessary) or to support the womb 子宮帽(避孕用的); 子宮托(治療子宮下垂的).