/ Dictionary / Index M microvillus: Meaning and Definition of Find definitions for: mi•cro•vil•lus Pronunciation: (mī"krō-vil'us), [key] — pl. -vil•li any of the small, fingerlike projections of the surface of an epithelial cell. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. microvasculature microvolt Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language