mez ‧ za ‧ nine /ˈmezəniːn, ˈmetsə- $ ˈmezə-/ BrE AmE noun [countable]
[ Date: 1700-1800 ; Language: French ; Origin: Italian mezzanino , from mezzano 'middle' ]
1 . a small floor that is built between two other floors in a building:
the mezzanine floor
2 . American English the lowest ↑ balcony in a theatre, or the first few rows of seats in that balcony