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  • écu
    écu
    noun
    the shield carried by a mounted man-at-arms in the Middle Ages.
  • ECU
    ECU
    noun
    a former money of account of the European Common Market that was used in international finance until the euro was adopted and was based on the combined prorated values of the currencies of member nations.
  • E.C.U.
    E.C.U.
    abbreviation
    English Church Union.

écu

1 American  
[ay-kyoo, ay-ky] / eɪˈkju, eɪˈkü /

noun

  • écus
    plural
  1. the shield carried by a mounted man-at-arms in the Middle Ages.

  2. any of various gold and silver coins of France, issued from the 13th through the 18th centuries, bearing the figure of a shield.


ECU 2 American  
[ay-koo, ee-see-yoo] / eɪˈku, ˈiˈsiˈju /

noun

  1. a former money of account of the European Common Market that was used in international finance until the euro was adopted and was based on the combined prorated values of the currencies of member nations.


E.C.U. 3 American  

abbreviation

  1. English Church Union.


écu 1 British  
/ eɪˈkjuː, eky /

noun

  1. any of various former French gold or silver coins

  2. a small shield

"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

ECU 2 British  
/ ˈiːˈsiːˈjuː, ˈeɪkjuː /

acronym

  1. European Currency Unit: a former unit of currency based on the composite value of several different currencies in the European Union and functioning as both the reserve asset and the accounting unit of the European Monetary System; replaced by the euro in 1999

"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

Other Word Forms

Noun Inflected Forms


Etymology

Origin of écu1

1695–1705; < French; Old French escu < Latin scūtum shield

Origin of ECU2

E(uropean) C(urrency) U(nit), perhaps with play on écu ( def. )


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.

See Examples For:

A pistole now represents 10 francs, and an écu 3 francs.

From Wanderings by southern waters, eastern Aquitaine by Edward Harrison Barker

The soudo Napoletano, a handsome silver coin of the size of an écu de six francs, is equal to twelve carlini.

From After Waterloo: Reminiscences of European Travel 1815-1819 by Major W. E Frye

The marcandiers had to pay an écu; they were tramps clothed in a tolerably good doublet, who passed themselves off as merchants ruined by war, by fire, or by having been robbed on the highway.

From Manners, Customs, and Dress During the Middle Ages and During the Renaissance Period by P. L. Jacob

Charles would not or could not contribute a single écu d'or, and Joan had to solicit help and funds from the towns.

From Joan of Arc by Ronald Sutherland Gower

In which sport she was so taken up with her hands, that she forgot to cheat, and Denys won "écu au soleil" of her.

From The Cloister and the Hearth A Tale of the Middle Ages by Charles Reade

The ECU finding has been reported to the management of BBC Content.

From BBC ● Sep. 24, 2026

According to ECU Associate Professor Catherine Bondonno, the protective effect associated with nitrate-rich vegetables may be related to how the body processes nitrate.

From Science Daily ● Jun. 8, 2026

“Our guys are swinging and missing it by, like, three feet,” ECU coach Cliff Godwin said.

From The Wall Street Journal ● Oct. 30, 2025

Scottish Borders Council says that all parties have their opportunity to comment directly on applications which either go before them, if below 50MW, or to the ECU.

From BBC ● Dec. 12, 2024

The Council shall, acting according to the same procedure, also take the other measures necessary for the rapid introduction of the ECU as the single currency of those Member States.

From The Treaty of the European Union, Maastricht Treaty, 7th February, 1992 by European Union

As a holder of two degrees from the University of North Carolina at Chapel Hill and as an assistant professor at E.C.U.,

From Time Magazine Archive

Statement, E.C.U., for "The New Gospel of Interpretation; being an Abstract of the Doctrine and Statement of the Objects of the Esoteric Christian Union," by E.M.; revised and enlarged edition, 1892.

From The Story of Anna Kingsford and Edward Maitland and of the new Gospel of Interpretation by Edward Maitland

It would be ridiculous for an outsider, like myself, to discuss the interior working of the E.C.U., so I avail myself of the testimony which has reached me from within.

From Prime Ministers and Some Others A Book of Reminiscences by George William Erskine Russell

One of their wives is discussing the E.C.U. and the S.S.C. with a hitherto silent curate, and the other is jabbering botany to a red-faced warrior.

From Facts About Champagne and Other Sparkling Wines by Henry Vizetelly

E.C.U., for "The Esoteric Christian Union," founded by E.M. in 1891.

From The Story of Anna Kingsford and Edward Maitland and of the new Gospel of Interpretation by Edward Maitland

The prince afterwards sold his commission as viceroy to the Duke of Montmorency, Admiral of France, for the sum of thirty thousand écus.

From The Makers of Canada: Champlain by N.-E. (Narcisse-Eutrope) Dionne

His merchandise which was seized by Kirke was valued at about forty thousand écus.

From The Makers of Canada: Champlain by N.-E. (Narcisse-Eutrope) Dionne

Fifty écus; that was one hundred and fifty francs!

From Nobody's Boy Sans Famille by Florence Crewe-Jones

Arnaud had two horses at his mother's farm; he lent one to Gaspard, I borrowed mine for two écus.

From In the Day of Adversity by John Bloundelle-Burton

This, one reads in the court chronicle, and further that: "The royal family usually lost a hundred thousand écus at play at each visit."

From Royal Palaces and Parks of France by Blanche McManus

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