1
chiefly Ireland : lake
2
chiefly Ireland : a bay or inlet of the sea

Examples of lough in a Sentence

Recent Examples on the Web
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On the shores of Belfast's lough, The Culloden Estate and Spa is a serene escape from the buzzy city scene. Ciara McQuillan, Condé Nast Traveler, 18 May 2022

Word History

Etymology

Middle English, of Celtic origin; akin to Old Irish loch lake; akin to Latin lacus lake — more at lake

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of lough was in the 14th century

Dictionary Entries Near lough

Cite this Entry

“Lough.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lough. Accessed 21 Dec. 2024.

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