noun / adjective
mezzanine
MEZ-uh-neen/ˈmezəniːn/
An intermediate level between larger principal levels.
A low mezzanine spans only part of the space between main floors.

Etymology
Mezzanino is based on an Italian word meaning “middle.” The architectural name describes the floor’s position between two main stories, with its lower height distinguishing it from a main level.
In context
split-level ground floor and mezzanine so you can view over the main area
More examples
- The elevator stops at the mezzanine between the lobby and second floor.
- Our mezzanine seats overlook the stage from just above the main floor.
- The company's mezzanine financing ranks below senior debt but above equity.
Forms
mezzanine · mezzanines