/ Dictionary / Index P panic button: Meaning and Definition of Find definitions for: pan'ic but"ton Pronunciation: [key] an alarm button for use in an emergency, as to summon help. to give way to panic in a distressing situation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. panic bar panic disorder Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language