Definify.com
Webster 1913 Edition
Passe partout
passeˊ-parˊtout′
, ‖Passe′ parˊtout′
(päsˊ pärˊtoō′)
, Noun.
[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.
[wns=1]
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.