A sea loch is a narrow inlet of the sea that is carved by glacial erosion. There are many synonyms for sea loch that are used in different parts of the world. In Scotland, the term fjord is sometimes used to refer to sea lochs, while in Norway, the term fjord is used exclusively for this type of inlet. Other synonyms include firth, inlet, sound, bay, and estuary. These terms are used to describe the different features of the inlet, such as its size, shape, and location. Whether you call it a sea loch, fjord, or sound, these geographical features are a beautiful and fascinating part of our coastal landscapes.