inlet
in coastal geography, an indentation of a shoreline that often leads to an enclosed body of salt water, such as a sound, bay, lagoon, or marsh
en-GB/ˈɪnlət/
en-US/ˈɪnˌlɛtv/
in coastal geography, an indentation of a shoreline that often leads to an enclosed body of salt water, such as a sound, bay, lagoon, or marsh