window envelope

Noun

 * 1) An envelope with a transparent panel on its front, through which the name and address of the addressee printed on the letter inside can be seen.

Translations

 * Danish: rudekuvert
 * Finnish: ikkunallinen kirjekuori
 * German:, Fensterbriefumschlag, Fensterumschlag, Fensterkuvert
 * Hungarian:
 * Romanian: plic cu fereastră