noun
buck
A dollar, in informal speech.
The used book costs three bucks.
Etymology
The dollar slang is generally traced to buckskins, which were used in trade. The animal hide’s name became a convenient name for a unit of money.
More examples
- He lent me a buck for the parking meter.
- She earned a few extra bucks on Saturday.
- They wanted twenty bucks for the old lamp.
Forms
buck · bucks
Similar words
- dollar
- The standard currency name behind this informal term.