Mez"za*nine (?), n. [F. mezzanine, It. mezzanino, fr. mezzano middle, fr. mezzo middle, half. See Mezzo.] (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
Mez"za*nine (?), n.
1.
A flooring laid over a floor to bring it up to some height or level.
2. Also mezzanine floor. (Theat.)
A floor under the stage, from which various contrivances, as traps, are worked.
© Webster 1913