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pessary n. 子宫托,子宫套 子宫托,子宫套 pessary n 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 [synonym: {diaphragm}, {pessary}, {contraceptive diaphragm}] Pessary \Pes"sa*ry\ (p[e^]s"s[.a]*r[y^]), n.; pl. {Pessaries}.
[L. pessarium, pessum, pessus, Gr. pesso`s: cf. F. pessaire.] (Med.) (a) An instrument or device to be introduced into and worn in the vagina, to support the uterus, or remedy a malposition. (b) A medicinal substance in the form of a bolus or mass, designed for introduction into the vagina; a vaginal suppository. [1913 Webster]
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