This is the 494th most frequent German word.
mädchen
"Girl."
Here, 'Mädchen' refers to a young female person, specifically a child.
Das Mädchen spielt draußen.
The girl is playing outside.
In this sentence, 'Mädchen' indicates stereotypical or societal expectations of behavior from a young female person.
Ein gutes Mädchen hört auf ihre Eltern.
A good girl listens to her parents.
Here, 'Mädchen' functions within the context of ownership and attributes associated with the noun.