mez·za·nine [mézz'n n , mèzz'n n ] noun (plural mez·za·nines)
1. mez·za·nine or mez·za·nine floor intermediate story: a low story, especially one between the first floor and the second floor in a building. Also called entresol
[Early 18th century. Via French from Italian mezzanino , literally "small one in the middle," from mezzano "middle," from Latin medianus (see median ).]

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