Slang: buck

Definition: An American dollar.
Example: 1) The new U2 CD costs about fifteen bucks.

2) A cup of coffee used to cost a nickel. Now it's a buck.
Etymology: On the American frontier, animal skins were sometimes used as money. A male deer is called a 'buck', and buck skins were a particularly valuable commodity. By the 1850's, 'buck' was used to refer to both the animals and the money they produced.

Synonyms: moola