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lough

American  
[lok, lokh] / lɒk, lɒx /

noun

Irish English.
  1. a lake.

  2. a partially landlocked or protected bay; a narrow arm of the sea.


lough British  
/ lɒx, lɒk /

noun

  1. an Irish word for lake 1

  2. a long narrow bay or arm of the sea in Ireland

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of lough

1505–15; Anglo-Irish spelling of Irish loch lake; compare Middle English low, lough ( e ), logh ( e ), Old English (Northumbrian) lūh < British Celtic *lux- (> Welsh llwch (obsolete) lake, Old Breton luh, Breton louc’h ), apparently < early Irish; see loch

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Maguire, who was from the village of Aghagallon, near the southeast shore of Lough Neagh, is believed to have been killed in 1976.

From BBC • May 26, 2026

It is already investigating the regulation of wastewater pollution in Belfast Lough.

From BBC • Apr. 30, 2026

Daera's spokesperson said that "progress is being made to implement the actions required in the Lough Neagh Action Plan".

From BBC • Apr. 19, 2026

Daera said Minister Andrew Muir "fully recognises the strength of public concern and understands the frustration many communities feel about the condition of Lough Neagh – especially those living nearby."

From BBC • Apr. 19, 2026

He tells her he’ll take her to Ireland and they’ll walk the Glens of Antrim and swim in Lough Neagh.

From "Angela's Ashes: A Memoir" by Frank McCourt

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