What does "mailpiece" mean?

(countable) A piece of mail, that is, an item of (physical) mail; especially, an item of flat envelope form factor as contrasted with an item of package form factor.

Mailpiece

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
(countable) A piece of mail, that is, an item of (physical) mail; especially, an item of flat envelope form factor as contrasted with an item of package form factor. Canada, US
"You have 0 mailpiece(s) and 1 inbound package(s) arriving soon. [U.S. Postal Service Informed Delivery email of the 2020s]"

Antonyms

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Example

More examples

"You have 0 mailpiece(s) and 1 inbound package(s) arriving soon. [U.S. Postal Service Informed Delivery email of the 2020s]"

Etymology

From mail + piece; part of the business jargon of postal services and mail marketers for more than a century, but not common among the general public until the 21st century.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.