Also ley.

Origin of leu

1875–80; < Romanian: literally, lion, a designation based on Turkish arslanlι (arslan lion + -lι adj. suffix), name given to the Dutch rijksdaalder, which circulated in the later Ottoman Empire and bore the image of a lion


  1. leucine.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for leu

Contemporary Examples of leu

  • First, it reduced the Iranian LEU stock below the level required to produce a nuclear device.

    The Daily Beast logo
    Real Progress With Iran

    Gary Sick

    October 2, 2009

Historical Examples of leu

British Dictionary definitions for leu


noun plural lei (leɪ)
  1. the standard monetary unit of Romania and Moldova, divided into 100 bani

Word Origin for leu

from Romanian: lion
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 leu

monetary unit of Romania, introduced 1867, literally "lion." Monetary names in the Balkans often translate as "lion" because Dutch gold coins stamped with lions circulated widely in the region in the 17c. and the word for "lion" came to be a word for "money" in some languages in the region.

Online Etymology Dictionary, © 2010 Douglas Harper

leu in Medicine


  1. leucine
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.