[], (Noun)

Definitions:
- An instance of missorting; something, especially a letter, which has been missorted.


Phrases:

Origin:
late 19th century; earliest use found in The Daily News. From missort

[], (Verb)

Definitions:
- To allot to a wrong place in sorting; (now) (specifically of mail) to sort incorrectly.


Phrases:

Origin:
late 16th century; earliest use found in Richard Mulcaster (?1532–1611), schoolmaster and author. From mis- + sort