lasso

UK: /læˈsuː/ US: /ˈlæsoʊ, læˈsu/ ,(las′ō, la so̅o̅′)

Inflections of 'lasso' (n):

lassos

npl

lassoes

npl

Inflections of 'lasso' (v): (⇒ conjugate)

lassos

v 3rd person singular

lassoes

v 3rd person singular

lassoing

v pres p

lassoed

v past

lassoed

v past p

WordReference Random House Learner's Dictionary of American English © 2026

las•so /ˈlæsoʊ, læˈsu/   n., pl. -sos, -soes, v., -soed, -so•ing. 
n. [countable]

1. a long rope or line of hide or other material with a knotted loop at one end, used for roping horses, cattle, etc.

v. [~ + object]

2. to catch with or as if with a lasso.

WordReference Random House Unabridged Dictionary of American English © 2026

las•so  (las′ō, la so̅o̅′), n., pl. -sos, -soes, v., -soed, -so•ing. 
n. 

1. a long rope or line of hide or other material with a running noose at one end, used for roping horses, cattle, etc.

v.t. 

2. to catch with or as with a lasso.

• Latin laqueus noose, bond; see lace
• Spanish lazo
• 1760–70

las′so•er, n. 

Las•so  (lä′sō), n. 

Orlando di  (dē), (Orlandus Lassus), 1532–94, Flemish composer.

Collins Concise English Dictionary © HarperCollins Publishers::

lasso / læˈsuː ˈlæsəʊ/ noun ( -sos, -soes)

1. 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)

1. (transitive) to catch with or as if with a lasso

Etymology: 19th Century: from Spanish lazo, ultimately from Latin laqueus noose

lasˈsoer noun