1911 Encyclopædia Britannica/Cattegat

CATTEGAT, or Kattegat (Scand. “cat’s-throat”), a strait forming part of the connexion between the Baltic and the North Seas. It lies north and south between Sweden and Denmark, and connects north with the Skagerrack and south through the Sound, the Great Belt and the Little Belt with the Baltic Sea. Its length is about 150 m. and its extreme breadth about 90 m.