n. 比索(埃及、西班牙、墨西哥之硬币单位)

Piaster \Pi*as"ter\, n. [F. piastre, It. piastra a thin plate of
metal, a dollar, LL. piastra, fr. L. emplastrum. See
{Plaster}.]
A silver coin of Spain and various other countries. See
{Peso}. The Spanish piaster (commonly called peso, or peso
duro) is of about the value of the American dollar. The
Italian piaster, or scudo, was worth from 80 to 100 cents.
The Turkish and Egyptian piasters are now worth about four
and a half cents.