passe-partout

American  

[pas-pahr-too, pahs-par-too] / ˌpæs pɑrˈtu, pɑs parˈtu /

noun

plural

passe-partouts

1. something that passes everywhere or provides a universal means of passage.

2. a master key; skeleton key.

3. an ornamental mat for a picture.

4. a method of framing in which a piece of glass is placed over a picture and is affixed to a backing by means of adhesive strips of paper or other material pasted over the edges.

5. paper prepared for this purpose.

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passe-partout British  

/ pɑspartu, ˌpæspɑːˈtuː /

noun

1. a mounting for a picture in which strips of strong gummed paper are used to bind together the glass, picture, and backing

2. the gummed paper used for this

3. a mat, often decorated, on which a picture is mounted

4. something that secures entry everywhere, esp a master key

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Etymology

Origin of passe-partout

First recorded in 1635–45; from French: literally, “(it) passes everywhere”

Example Sentences

One is about football as passe-partout, key to doors that wouldn’t otherwise open – and safe passage in dangerous places.

From The Guardian

"Franken-" has become a passe-partout prefix for anything deemed unnatural or monstrous.

From Science Magazine

In his sales pitch, the merchant said that the rug I had chosen could function as a “passe-partout,” framing any room to enhance its appeal.

From New York Times

Within five days the Austrians were four times defeated, and Ratisbon, the passe-partout of Southern Germany and half-way house between Strasburg and Vienna, is once more in the hands of France and her allies.

From Project Gutenberg

Descend by the small staircase; the inclosed is a passe-partout to open the gate, outside which Pedro will wait you with your horses, and guide you on your way, till you no longer require him.

From Project Gutenberg