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der · Masculine (Maskulinum)A1Strong DeclensionNature & Animals

der Baum

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Nominative Sg.der Baum
Genitive Sg.des Baumes
Nominative Plural
die Bäume
Dative Pluralden Bäumen
Gender / Plural CueLexical gender — memorize together with its article

Full 4-Case Declension Table

Switch determiner types to inspect how articles and noun endings change together.

Definite (der / die / das): Used for specific, already known, or general-category nouns.

Case (Fall)QuestionSingularPlural
Nominative
Nominativ (Werfall)
Wer oder was?
der Baum
die Bäume
Accusative
Akkusativ (Wenfall)
Wen oder was?
den Baum
die Bäume
Dative
Dativ (Wemfall)
Wem?
dem Baum
den Bäumen
Genitive
Genitiv (Wesfall)
Wessen?
des Baumes
der Bäume

Why These Endings Work

Standard pattern for most masculine (der) and neuter (das) nouns: genitive singular ends in -s or -es.

  • Dative plural adds -n to the plural stem: Bäume → Bäumen.
Pattern summary: Genitive Sg adds -(e)s; Accusative/Dative Sg equal the base noun.

Example Sentences in Context

Accusative

Im Park sehen wir einen sehr alten Baum.

In the park we see a very old tree.

Dative

Unter dem Baum finden wir im Sommer angenehmen Schatten.

Under the tree we find pleasant shade in summer.

Interactive Tools & Related Guides

FAQs: der Baum

Is "Baum" der, die, or das in German?

"Baum" takes the masculine definite article "der" (der Baum). Gender cue: Lexical gender — memorize together with its article.

What is the plural and Dative plural of "der Baum"?

The Nominative plural of der Baum is "die Bäume" (pattern: ¨-e). In the Dative plural it becomes "den Bäumen".

How does "der Baum" change in the Genitive, Accusative, and Dative?

As a strong masculine noun, "Baum" changes only in the Genitive singular (des Baumes); Accusative and Dative keep "Baum".