'Entresol' definitions:

Definition of 'entresol'

(from WordNet)
noun
Intermediate floor just above the ground floor [syn: mezzanine, mezzanine floor, entresol]

Definition of 'Entresol'

From: GCIDE
  • Entresol \En`tre*sol"\, n. [F.] (Arch.) A low story between two higher ones, usually between the ground floor and the first story; mezzanine. --Parker. [1913 Webster]