/ Dictionary / Index P padlock: Meaning and Definition of Find definitions for: pad•lock Pronunciation: (pad'lok"), [key] —v.t. to fasten with or as with a padlock. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: padlock (Thesaurus) padishah padouk Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language