1 of 2

transitive verb

: to stamp on the back
specifically : to stamp (a piece of mail) with the date of receipt and the name of the receiving post office along the transportation route


2 of 2


: a stamp (such as a date stamp or postmark) on the back of a piece of mail

Word History


Transitive verb

back entry 1 + stamp

First Known Use

Transitive Verb

1904, in the meaning defined above


1906, in the meaning defined above

Time Traveler
The first known use of backstamp was in 1904

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Dictionary Entries Near backstamp

Cite this Entry

“Backstamp.” Dictionary, Merriam-Webster, Accessed 23 Apr. 2024.

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