Main Entry:

pe·so

Pronunciation:

\ˈpā-(ˌ)sō, ˈpe-\

Function:

noun

Inflected Form(s):

plural pesos

Etymology:

Spanish, literally, weight, from Latin pensum — more at poise

Date:

1555

1 : an old silver coin of Spain and Spanish America equal to eight reals 2 — see money table