[ pey-soh; Spanish pe-saw ]

noun,plural pe·sos [pey-sohz; Spanish pe-saws]. /ˈpeɪ soʊz; Spanish ˈpɛ sɔs/.
  1. a coin and monetary unit of Chile, Colombia, Cuba, the Dominican Republic, Guinea-Bissau, Mexico, and the Philippines, equal to 100 centavos.

  2. a coin and monetary unit of Uruguay, equal to 100 centesimos.

  1. a former monetary unit of Argentina, equal to 100 centavos: replaced by the austral in 1985.

  2. a former silver coin of Spain and Spanish America, equal to eight reals; dollar; piece of eight; piaster.

Origin of peso

<Spanish: literally, weight <Latin pēnsum something weighed, noun use of neuter of pēnsus, past participle of pendere to weigh

Words Nearby peso Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use peso in a sentence

  • A peso de oro, or "dollar of gold," had about the intrinsic value of our dollar, but was then really worth far more.

    The Spanish Pioneers | Charles F. Lummis
  • First of all, they arbitrarily declared the dollar, the peso and the shilling to be without value.

    West Wind Drift | George Barr McCutcheon

British Dictionary definitions for peso


/ (ˈpeɪsəʊ, Spanish ˈpeso) /

nounplural -sos (-səʊz, Spanish -sos)
  1. the standard monetary unit, comprising 100 centavos, of Argentina, Chile, Colombia, Cuba, the Dominican Republic, Mexico, and the Philippines; formerly also of Guinea-Bissau, where it was replaced by the CFA franc

  2. the standard monetary unit of Uruguay, divided into 100 centesimos

  1. another name for piece of eight

Origin of peso

C16: from Spanish: weight, from Latin pēnsum something weighed out, from pendere to weigh

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