Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “postmark”

postmark

noun [C]  /ˈpoʊstˌmɑrk/ us  
an official mark on letters or packages, showing the place and day, month, and year of mailing
postmark
verb [T]  /ˈpoʊstˌmɑrk/ us  
Contest entries must be postmarked no later than July 16.
(Definition of postmark from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of postmark?
Add Cambridge dictionaries to your browser to your website

Definitions of “postmark” in other dictionaries

Word of the Day

roost

When birds roost, they go somewhere to rest or sleep.

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More