window envelope

noun

Definition of window envelope

: an envelope having an opening through which the address on the enclosure is visible

First Known Use of window envelope

1914, in the meaning defined above

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Time Traveler for window envelope

Time Traveler

The first known use of window envelope was in 1914

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Cite this Entry

“Window envelope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/window%20envelope. Accessed 25 Oct. 2020.

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