pessary

pessary
[ˈpɛs(ə)rɪ]
(pl. -ies)
  1. a small soluble block that is inserted into the vagina to treat infection or as a contraceptive
    (治疗炎症或避孕用的)阴道栓剂,膈状子宫托,子宫帽
    ■an elastic or rigid device that is inserted into the vagina to support the uterus
    (支托用)子宫托
语源
  1. late Middle English: from late Latin pessarium, based on Greek pessos 'oval stone' (used in board games)
英语宝典
考试词汇表