/ Dictionary / Index M mecometer: Meaning and Definition of Find definitions for: me•com•e•ter Pronunciation: (mi-kom'i-tur), [key] — n. Med. a caliperlike instrument for measuring the length of newborn infants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. meclizine meconium Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language