lasso
Pronunciation: /ləˈsuː, ˈlasəʊ/
noun ( plural lassos or lassoes)
verb ( lassoes, lassoing, lassoed)

Origin:
mid 18th century: representing an American Spanish pronunciation of Spanish lazo, based on Latin laqueus 'noose'. Compare with lace

Spelling help
Remember that lasso ends with a single o. The plural can be spelled either lassos or lassoes.