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Definition of postmaster

postmaster

/ˈpoʊstˌmæstɚ/
post · mas · ter
Plural:postmasters
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postmaster Lexical Profile

postmaster Game Scores & Validity

• noun

1

An official in charge of a local post office and the administration of mail delivery within a specific district.

Example

"The local postmaster oversaw the sorting and timely delivery of thousands of holiday packages across the county."

2

In computing, the system administrator or standard network address responsible for managing an email server and handling undeliverable messages.

Example

"When the automated newsletter failed to reach the recipient, a diagnostic error report was automatically sent to the domain's postmaster."

3

Historically, an official in charge of a relay station that provided fresh horses and riders for couriers or stagecoaches.

Example

"The royal messenger presented his warrant to the postmaster to secure a fresh mount for the next leg of the journey."

Synonyms
View all synonyms for postmaster

• Rhymes for postmaster

• Nearby Words

postman
postmarital
postmark
postmaster
postmenopause
postmodern
postmortem

Word Origin & Etymology

First recorded in the early 16th century as a compound of 'post' and 'master', originally denoting an official in charge of a relay station providing horses for royal couriers and travelers before evolving to mean the head of a local post office.

Cite this Entry

Wordmom. (2026). Definition of Postmaster. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/postmaster
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