/ Dictionary / Index P periotic: Meaning and Definition of Find definitions for: per•i•o•tic Pronunciation: (per"ē-ō'tik, -ot'ik), [key] — adj. Anat. surrounding the ear. noting or pertaining to certain bones or bony elements that form or help to form a protective capsule for the internal ear. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. periostracum peripatetic Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language