. | 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. |
| 3. | a former monetary unit of Argentina, equal to 100 centavos: replaced by the austral in 1985. |
| 4. | a former silver coin of Spain and Spanish America, equal to eight reals; dollar; piece of eight; piaster. |

pe·so (pā'sō) n. pl. pe·sos Abbr. p. See Table at currency. [Spanish, from Latin pēnsum, something weighed, from neuter past participle of pendere, to weigh; see (s)pen- in Indo-European roots.] |
peso
the monetary unit of several Latin American countries and the Philippines; it is divided into 100 centavos. The peso was introduced into Spain by the monarchs Ferdinand and Isabella, who reformed the Spanish coinage system in 1497; it did not come into common use, though, until the time of Charles I (the emperor Charles V)
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