/ Dictionary / Index S stethometer: Meaning and Definition of Find definitions for: ste•thom•e•ter Pronunciation: (ste-thom'i-tur), [key] — n. an instrument for measuring the expansion of the chest and abdomen during respiration. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stetho- stethoscope Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language