/ Dictionary / Index M midi: Meaning and Definition of Find definitions for: mid•i Pronunciation: (mid'ē), [key] — n. a skirt, dress, or coat, of mid-calf length. —adj. of the length of a midiskirt. Mi•di Pronunciation: (mē-dē'), [key] — n. the south of France. MIDI Pronunciation: (mid'ē), [key] Musical Instrument Digital Interface: a standard means of sending digitally encoded information about music between electronic devices, as between synthesizers and computers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: midi (Thesaurus) midheaven Midian Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language