mezzanine
Pronunciation:
/ˈmɛzəˌniːn/noun
Definitions
A secondary floor, in between the main floors of a building; entresol.
Example: On our way to the top floor, we stopped at the mezzanine.
A small window used to light such a secondary floor.
The lowest balcony in an auditorium.
Additional flooring laid over a floor to bring it up to some height or level.
adjective
Definitions
Fulfilling an intermediate or secondary function.
Example: To make interconnections easier, we added a mezzanine PCB.