Mezzanine (noun)

1. An intermediate floor between the ground floor and the first floor of a building.
2. A low-ceilinged floor built in an interior room.

Origin:

The word 'mezzanine' comes from the italian word 'mezzanino' meaning 'intermediate floor.' the word has been in use since the 19th century.

Examples:

1. The mezzanine provided additional space for the company's growing staff.
2. The mezzanine of the theater was used for seating.
3. The mezzanine level offered a great view of the stage.
4. The architect designed the mezzanine to be a multi-purpose space.
5. The mezzanine was a popular place for private events and parties.