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[las-oh, la-soo] /ˈlæs oʊ, læˈsu/
noun, plural lassos, lassoes.
a long rope or line of hide or other material with a running noose at one end, used for roping horses, cattle, etc.
verb (used with object), lassoed, lassoing.
to catch with or as with a lasso.
Origin of lasso
1760-70; < Spanish lazo < Latin laqueus noose, bond; see lace
Related forms
lassoer, noun
unlassoed, adjective


[lah-soh] /ˈlɑ soʊ/
Orlando di
[dee] /di/ (Show IPA),
(Orlandus Lassus) 1532–94, Flemish composer. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for lasso
Contemporary Examples
Historical Examples
  • Ramon suggested that we should lasso him and kill him, and so get rid of the nuisance once and for all.

    Blanco y Colorado William C. Tetley
  • "Mr. Scott is better with lasso than with rifle," criticised Achang, with a smile.

    Four Young Explorers Oliver Optic
  • It has been said that a Mexican is born with a lasso in his hand.

    Overland Tales Josephine Clifford
  • Then Don Pablo threw over a lasso, which had been brought along.

    The Forest Exiles Mayne Reid
  • Many, however, had perforce to be content with a long knife, with the lasso and the sling—the boleadores—as subsidiary weapons.

    Uruguay W. H. Koebel
  • Sword in one hand, and lasso and bridle in the other, he was soon out of sight.

    Wood Rangers Mayne Reid
  • They were going to treat the Indians to a taste of their own tactics, for between each horse a lasso rope was fastened.

  • I then shook the lasso, and at once succeeded in disengaging it.

British Dictionary definitions for lasso


/læˈsuː; ˈlæsəʊ/
noun (pl) -sos, -soes
a long rope or thong with a running noose at one end, used (esp in America) for roping horses, cattle, etc; lariat
verb -sos, -soes, -soing, -soed
(transitive) to catch with or as if with a lasso
Derived Forms
lassoer, noun
Word Origin
C19: from Spanish lazo, ultimately from Latin laqueus noose
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 lasso

1807 (v.); 1808 (n.), American English, from Spanish lazo, from Latin laqueum (nominative laqueus) "noose, snare" (see lace (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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