Pessary
Pessary (pes"sȧ*ry) , noun
[Latin pessarium, pessum, pessus, Greek pesso`s: compare French pessaire.]
(a)
(Medicine) An instrument or device to be introduced into and worn in the vagina, to support the uterus, or remedy a malposition.
(b)
(Medicine) A medicinal substance in the form of a bolus or mass, designed for introduction into the vagina; a vaginal suppository.