/ Dictionary / Index P proglottis: Meaning and Definition of Find definitions for: pro•glot•tis Pronunciation: (prō-glot'is), [key] — pl. -glot•ti•des one of the segments or joints of a tapeworm, containing complete reproductive systems, usually both male and female. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. progestogen prognathous Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language