/ Dictionary / Index P pentastomid: Meaning and Definition of Find definitions for: pen•ta•sto•mid Pronunciation: (pen"tu-stō'mid), [key] — n. Zool. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pentastomid (Thesaurus) pentastich pentastyle Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language