# lapsus plumæ

> English word · Noun · IPA /ˌlæpsəsˈpluːmiː/

## Definitions
1. Synonym of slip of the pen.

## Etymology
First attested in 1844; Latin: lāpsus (“a slipping”; in the plural lāpsūs, “slippings”, the nominative plural form of lāpsus) + plūmae (“of the feather or plume”, the genitive singular form of plūma, “feather”, “plume”) = “a slipping of the feather” ≈ “a lapse of the plume” ≈ “a slip of the quill”; compare lapsus linguae and the English-coined French phrase nom de plume.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/lapsus-plum