Is “Mezzanines” a Scrabble word?
Yes
MEZZANINES
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Mezzanines
noun
1.A secondary floor, in between the main floors of a building; entresol.
“On our way to the top floor, we stopped at the mezzanine.”
2.A small window used to light such a secondary floor.
3.The lowest balcony in an auditorium.