Loch (/ lɒx / LOKH) is a word meaning "lake" or "sea inlet" in Scottish and Irish Gaelic, subsequently borrowed into English. In Irish contexts, it often appears in the anglicized form " lough ". [1] A small loch is sometimes called a lochan.

Understanding the Context

Lochs which connect to the sea may be called "sea lochs" or "sea loughs". Middle English (Scots) louch, from Scottish Gaelic loch; akin to Latin lacus lake — more at lake Radioactive water from a Royal Navy nuclear weapons base leaked into a loch after old pipes repeatedly burst, according to official files. From BBC Aug. 9, 2025 A loch is a Scottish name for a large area of water that that can be narrowly or partially landlocked.

Key Insights

The word Loch originates from an Insular Celtic group of languages that originated in Britain and Ireland. In the Scottish Gaelic language, the word loch simply means “lake” or “sea inlet.” So when you hear someone talking about Loch Ness or Loch Lomond, they’re talking about large bodies of water—just like lakes—but with a Scottish twist. What Is a Loch? (And Why Are There So Many in Scotland?) [Rembert] Dodoens specifically recommends the preparation of a lohoch or loch – a 'licking medicine', of middle consistency, between a soft electuary and a syrup – for relief of obstruction, shortness of breath and an old, hard cough. It is a very small island, situated where the loch narrows, and is perhaps less than a quarter of a mile distant from either shore.

Final Thoughts