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Firth

[furth]
noun
  1. John Rupert,1890–1960, English linguist.
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Related formsFirth·i·an, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for john firth

firth

frith

noun
  1. a relatively narrow inlet of the sea, esp in Scotland
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Word Origin for firth

C15: from Old Norse fjörthr fiord
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

Word Origin and History for john firth

firth

n.

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

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Online Etymology Dictionary, © 2010 Douglas Harper

john firth in Science

firth

[fûrth]
  1. A long, narrow inlet of the sea. Firths are usually the lower part of an estuary, but are sometimes fjords.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.