A nickel is sometimes called a jitney.
jitney definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
noun pl. jitneys
- Slang a five-cent coin; nickel
- a small bus or a car, esp. one traveling a regular route, that carries passengers for a low fare, originally five cents
Origin: c. 1903 ; from uncertain or unknown; perhaps French jeton, jeton
jitney definition by American Heritage Dictionary
noun pl. jit·neys
- A small motor vehicle, such as a bus or van, that transports passengers on a route for a small fare.
- Archaic A nickel.
Origin: Origin unknown.