资料来源 : Webster's Revised Unabridged Dictionary (1913)

Passe partout \Passe" par`tout"\, n. [F., from passer to pass +
   partout everywhere.]
   1. That by which one can pass anywhere; a safe-conduct.
      [Obs.] --Dryden.

   2. A master key; a latchkey.

   3. A light picture frame or mat of cardboard, wood, or the
      like, usually put between the picture and the glass, and
      sometimes serving for several pictures.