名詞 pessary:

1. a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
   同義詞：diaphragm, contraceptive diaphragm

pes.sa.ry

n.（名詞）
【復(fù)數(shù)】 pes.sa.ries
Any of various devices worn in the vagina to support or correct the position of the uterus or rectum.
子宮托，子宮套：一種置于陰道內(nèi)支撐或糾正子宮或直腸位置的裝置
A contraceptive diaphragm.
避孕膜
A medicated vaginal suppository.
（一種藥物）陰道栓劑

來源：
Middle English pessarie
中古英語 pessarie
from Late Latin pess3rium
源自 后期拉丁語 pess3rium
from pessus, pessum
源自 pessus, pessum
from Greek pessos [oval-shaped stone, pessary]
源自 希臘語 pessos [橢圓形石頭，子宮套]