Dime (noun)

1. A coin worth one-tenth of a dollar.
2. A coin worth 10 cents.
3. A small amount of money.

Origin:

Early 18th century: from french disme, via spanish and german from latin decimus "tenth", because originally it was a tenth of a dollar.

Examples:

1. I found a dime on the sidewalk.
2. A dime is worth 10 cents.
3. Can you spare a dime?
4. It cost a dime to make a phone call from the payphone.
5. The vending machine only takes dimes.