/ Dictionary / Index M micropump: Meaning and Definition of Find definitions for: mi•cro•pump Pronunciation: (mī'kru-pump"), [key] — n. a tiny pump implanted under the skin for the timed administration of medication. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. micropublish micropyle Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language