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[lok, lokh] /lɒk, lɒx/
noun, Irish English.
a lake.
a partially landlocked or protected bay; a narrow arm of the sea.
Compare loch.
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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for lough
Historical Examples
  • They sat down on the edge of the lough and did not speak for a long time.

    The Foolish Lovers St. John G. Ervine
  • Not long ago the point in the lough was a rabbit warren, whence the name.

    Ireland as It Is Robert John Buckley (AKA R.J.B.)
  • At least 'he came from one of the ships in the lough, and could speak no English.'

  • "It will be the rougher for you as you sail up the lough," said Tony, as he lighted his cigar.

    Tony Butler Charles James Lever
  • The Arrow must have come in after I had crossed the lough that evening.

    Kilgorman Talbot Baines Reed
  • He is the one that located your horse over at lough's B-line Ranch.

    David Lannarck, Midget George S. Harney
  • It is built at the head of lough Ness, of which Inverness stands at the outlet.

  • A trout thought to be peculiar to lough Melvin, on the west of Ireland.

    The Sailor's Word-Book William Henry Smyth
  • The castle occupies a strong position on a rock overlooking the lough.

    The Huguenots in France Samuel Smiles.
  • lough Rea, and its connection with the worship of Astarte, 204, 205.

British Dictionary definitions for lough


/lɒx; lɒk/
an Irish word for lake1
a long narrow bay or arm of the sea in Ireland
Compare loch
Word Origin
C14: from Irish loch lake
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
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Word Origin and History for lough

"a lake, pool," early 14c., Anglo-Celtic, representing a northern form of Irish and Gaelic loch, Welsh llwch, from PIE root *laku- (see lake (n.1)).

Online Etymology Dictionary, © 2010 Douglas Harper
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