• synonyms


[lahy-uh n for 1; French lyawn for 2]
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  1. Mary,1797–1849, U.S. pioneer in advocating and providing advanced education for women: founder of Mount Holyoke College.
  2. Lyons.
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[ham-uh l-tuh n]
  1. Alexander,1757–1804, American statesman and writer on government: the first Secretary of the Treasury 1789–97; mortally wounded by Aaron Burr in a duel.
  2. Alice,1869–1970, U.S. physician, educator, and toxicologist.
  3. Edith,1867–1963, U.S. classical scholar and writer.
  4. Lady Emma,Amy, or Emily, Lyon, 1765?–1815, mistress of Viscount Nelson.
  5. Sir Ian Standish Mon·teith [mon-teeth] /ˈmɒn tiθ/, 1853–1947, British general.
  6. Sir William,1788–1856, Scottish philosopher.
  7. Sir William Rowan [roh-uh n] /ˈroʊ ən/, 1805–65, Irish mathematician and astronomer.
  8. former name of Churchill River.
  9. Also called Grand River. a river flowing E through S Labrador into the Atlantic. 600 miles (965 km).
  10. Mount, a mountain of the Coast Range in California, near San Jose: site of Lick Observatory. 4209 feet (1283 meters).
  11. a seaport in SE Ontario, in SE Canada, on Lake Ontario.
  12. a city on central North Island, in New Zealand.
  13. an administrative district in the Strathclyde region, in S Scotland. 50 sq. mi. (130 sq. km).
  14. a city in this district, SE of Glasgow.
  15. a city in SW Ohio.
  16. a seaport in and the capital of Bermuda.
  17. a male given name.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for lyon


  1. a city in SE central France, capital of Rhône department, at the confluence of the Rivers Rhône and Saône: the third largest city in France; a major industrial centre and river port. Pop: 445 452 (1999)English name: Lyons (ˈlaɪənz) Ancient name: Lugdunum (lʊɡˈduːnəm)
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  1. a port in central Canada, in S Ontario on Lake Ontario: iron and steel industry. Pop: 618 820 (2001)
  2. a city in New Zealand, on central North Island. Pop: 129 300 (2004 est)
  3. a town in S Scotland, in South Lanarkshire near Glasgow. Pop: 48 546 (2001)
  4. the capital and chief port of Bermuda. Pop: 3461 (2000)
  5. the former name of Churchill (def. 1)
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  1. Alexander. ?1757–1804, American statesman. He was a leader of the Federalists and as first secretary of the Treasury (1789–95) established a federal bank
  2. Lady Emma. ?1765–1815, mistress of Nelson
  3. James, 1st Duke of Hamilton. 1606–49, Scottish supporter of Charles I in the English Civil War: defeated by Cromwell at the Battle of Preston and executed
  4. Lewis (Carl) . born 1985, English racing driver; Formula One world champion (2008)
  5. Richard. 1922–2011, British artist: a pioneer of the pop art style
  6. Sir William Rowan. 1805–65, Irish mathematician: founded Hamiltonian mechanics and formulated the theory of quaternions
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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

lyon in Medicine


(līən)Mary Frances Born 1925
  1. British geneticist whose research on mice led to her formulation of the Lyon hypothesis.
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(hăməl-tən)Alice 1869-1970
  1. American toxicologist and physician known for her research on occupational poisons and her book Industrial Poisons in the United States (1925).
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

lyon in Culture



Also Lyons; a city in east-central France on the Rhone River.

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Lyon is the principal producer of silk and rayon in Europe.


It was the capital of the Free French Resistance movement in World War II.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.