This is the 8932nd most frequent Polish word.
skagerrak
"Skagerrak" is not a Polish word; it refers to a strait between Norway, Sweden, and Denmark in Scandinavia.
Here, 'Skagerrak' is used as a proper noun and a geographical term.
Skagerrak to cieśnina między Danią, Norwegią i Szwecją.
Skagerrak is the strait between Denmark, Norway, and Sweden.
In this sentence, 'Skagerrak' specifies the strait being discussed, serving as a direct object.
Podczas lekcji geografii omawialiśmy cechy cieśniny Skagerrak.
During the geography lesson, we discussed the features of the Skagerrak strait.
Here, 'Skagerrak' describes the location to which the action of sailing pertains.