1. (n.) Same as Entresol.

2. (n.) A partial story which is not on the same level with the story of the main part of the edifice, as of a back building, where the floors are on a level with landings of the staircase of the main house.

entresol first floor flat floor ground floor level mezzanine mezzanine floor rez-de-chaussee ridgepole roof roofpole rooftop story street floor surface top top floor top side topside topsides upper side upside