/ Dictionary / Index S stylet: Meaning and Definition of Find definitions for: sty•let Pronunciation: (stī'lit), [key] — n. a stiletto or dagger. any similar sharp-pointed instrument. a probe. a wire run through the length of a catheter, cannula, or needle to make it rigid or to clear it. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stylet (Thesaurus) style sheet styli Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language