‖Passe″ par′tout″ (?), n. [F., from passer to pass + partout everywhere.] 1. That by which one can pass anywhere; a safe-conduct. 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.