/ Dictionary / Index P pessary: Meaning and Definition of Find definitions for: pes•sa•ry Pronunciation: (pes'u-rē), [key] — pl. -ries. a device worn in the vagina to support a displaced uterus. a vaginal suppository. diaphragm (def. 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pessary (Thesaurus) peso boliviano pessimism Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language