mus.
a mouse; a rat ((classically) the European black rat (Rattus rattus))
Meaning & usage
a mouse; a rat ((classically) the European black rat (Rattus rattus))
with various qualifiers, used indiscriminately to describe any rodent or mouse-looking animal
mūs arāneus
mūs Alpīnus
as a term of endearment
as a term of abuse
a computer mouse
a sea mouse (Aphrodita aculeata)
Where this word comes from
Inherited from Proto-Italic *mūs, from Proto-Indo-European *múHs. Cognates include Ancient Greek μῦς (mûs), Sanskrit मूष् (mū́ṣ), Old English mūs (English mouse), Old High German mūs (German Maus), Proto-Slavic *myšь (Russian мышь (myšʹ)).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.