Inlet
(1) A short, narrow waterway connecting a bay) lagoon) or similar body of water with a large parent body of water. (2) An arm of the sea (or other body of water) that is long compared to its width and may extend a considerable distance inland. See also TIDAL INLET.
Source http://www.kennisbank-waterbouw.nl/Glossary/printUK.php?subject=@Зураг