This is the 634th most frequent Danish word.
amerikansk
"Amerikansk" means "American" in English.
Here 'amerikansk' is used as an adjective to describe the origin or style of the food.
Jeg elsker amerikansk mad.
I love American food.
In this sentence, 'amerikansk' is used as an adjective agreeing in gender and definiteness with the noun 'forfatter', i.e., 'author'.
Den amerikanske forfatter har skrevet en ny bog.
The American author has written a new book.
Here 'amerikansk' describes the type of culture being discussed.