the GNU version of the Collaborative International Dictionary of English
n. The name of certain gold coins of various values formerly coined in some countries of Europe. In Spain it was equivalent to a quarter doubloon, or about $3.90, and in Germany and Italy nearly the same. There was an old Italian pistole worth about $5.40.
The Century Dictionary and Cyclopedia
n. A gold coin of Spain, worth at the beginning of the nineteenth century nearly $4 United States money.
Word Usage
"The rest I call by caliber; my .270, my "Whelen", and the "00-6", and the Black Shadow-. 44 Mag ... the 9mm pistole is "Petro" (Beretta 92FS) and the GP 100 is the "Ruger magnum"."