/ Dictionary / Index P personal identification number: Meaning and Definition of Find definitions for: per'sonal identifica'tion num"ber Pronunciation: [key] — Computers. Computers. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. personalia personalism Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language