/ Dictionary / Index T tickler file: Meaning and Definition of Find definitions for: tick'ler file" Pronunciation: [key] a file consisting of memoranda, notices, electronic signals, or the like that serves to remind the user of matters that must be attended to. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tickler coil ticklish Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language