The Collaborative International Dictionary of English v.0.48:

Esprit \Es`prit"\, n. [F. See Spirit.]
   Spirit.
   [1913 Webster]

   Esprit de corps, a French phrase much used by English
      writers to denote the common spirit pervading the members
      of a body or association of persons. It implies sympathy,
      enthusiasm, devotion, and jealous regard for the honor of
      the body as a whole.
      [1913 Webster]

WordNet (r) 3.0 (2006):

esprit
    n 1: liveliness of mind or spirit

The Free On-line Dictionary of Computing (19 January 2023):

European Strategic Programme for Research in Information Technology
ESPRIT

    (ESPRIT) A funding programme to develop Information
   Technology in the European Economic Communities.  Superseded
   by Framework 4.

   (1996-05-13)