/ ˈpesəri; NAmE / noun ( pl. -ies )
1.
a small piece of solid medicine that is placed inside a woman's vagina and left to dissolve, used to cure an infection or to prevent her from becoming pregnant
—see also suppository
2.
a device that is placed inside a woman's vagina to support the womb
••
WORD ORIGIN
late Middle English : from late Latin pessarium , based on Greek pessos oval stone (used in board games).