noun
definition
An intermediate floor or storey in between the main floors of a building; specifically, one that is directly above the ground floor which does not extend over the whole floorspace of the building, and so resembles a large balcony overlooking the ground floor; an entresol.
definition
An apartment, room, etc., on such an intermediate floor.
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The lowest balcony in an auditorium, cinema, theatre, etc.; the dress circle.
definition
Additional flooring laid over a floor to bring it up to some height or level.
definition
In full mezzanine window: a small window at the height of a mezzanine floor (sense 1.1) or an attic, used to light these floors.
definition
(theater, obsolete) A floor under the stage, from which contrivances such as traps are worked.