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[furth] /fɜrθ/
noun, Chiefly Scot.
a long, narrow indentation of the seacoast.
Also, frith.
Origin of firth
late Middle English
1400-50; late Middle English (Scots) < Old Norse firth-, stem of fjǫrthr fjord


[furth] /fɜrθ/
John Rupert, 1890–1960, English linguist.
Related forms
Firthian, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for firth
Contemporary Examples
Historical Examples
  • I 'low He meant me t' take the firth man that come, an' be content.

  • firth let himself be interrupted to hear the case: but he could do nothing in it.

    The Crofton Boys Harriet Martineau
  • It often happened that firth and Hugh met at this tree; and it happened now.

    The Crofton Boys Harriet Martineau
  • There was room for both; and firth mounted, and read for some time.

    The Crofton Boys Harriet Martineau
  • firth did; and he was the right person, as he was one of the strongest.

    The Crofton Boys Harriet Martineau
British Dictionary definitions for firth


a relatively narrow inlet of the sea, esp in Scotland
Word Origin
C15: from Old Norse fjörthrfiord
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 firth

"arm of the sea, estuary of a river," early 15c., Scottish, from Old Norse fjörðr (see fjord).

Online Etymology Dictionary, © 2010 Douglas Harper
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firth in Science
A long, narrow inlet of the sea. Firths are usually the lower part of an estuary, but are sometimes fjords.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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