mezzanine Meaning, Definition & Usage

  1. noun first or lowest balcony
    first balcony.
  2. noun intermediate floor just above the ground floor
    mezzanine floor; entresol.

WordNet

Mez"za*nine noun
Etymology
F. mezzanine, It. mezzanino, fr. mezzano middle, fr. mezzo middle, half. See Mezzo.
Definitions
  1. (Arch.) (a) Same as Entresol. (b) A partial story which is not on the same level with the story of the main part of the edifice, as of a back building, where the floors are on a level with landings of the staircase of the main house.

Webster 1913