(of a skirt, coat, etc) reaching to below the knee or midcalf
(as noun): she wore her new midi
C20: from mid-; on the model of maxi and mini
the south of France
Canal du Midi, a canal in S France, extending from the River Garonne at Toulouse to the Mediterranean at Sète and providing a link between the Mediterranean and Atlantic coasts: built between 1666 and 1681. Length: 181 km (150 miles)
(modifier) a generally accepted specification for the external control of electronic musical instruments: a MIDI synthesizer, a MIDI system
C20: from m(usical) i(nstrument) d(igital) i(nterface)
"southern France," 1883, from French midi "south," literally "midday" (12c.), from mi "middle" (from Latin medius "middle;" see medial (adj.)) + di "day" (from Latin dies; see diurnal). Also cf. meridian.
1983, acronym for Musical Instrument Digital Interface.