Definition from Wiktionary, the free dictionary
- The substantive Mutter can also decline like a proper noun and can take the ending -s in the genitive singular, e.g. Mutters Geburtstag.
Declension of Mutter
Originally the same as etymology 1, but secondarily distinguished in the plural; so denoted by a sexual metaphor, which is also found in other languages. Compare for example Dutch moer.
Mutter f (genitive Mutter, plural Muttern)
- nut (for a bolt)