window envelope

noun

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

Word History

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of window envelope was in 1914

Dictionary Entries Near window envelope

window-efficiency ratio

window envelope

window fixture

See More Nearby Entries 

Cite this Entry

“Window envelope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/window%20envelope. Accessed 19 Nov. 2024.

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