fiver

noun

Etymology: From five + -er (measurement suffix) or + -er (“supporter”).

1. A banknote with a value of five units of currency.

   “Do you have a fiver I could borrow? I can pay you back tomorrow.”

   “Charming man that—sort I abhor. Makes you feel it must lead up to borrowing a fiver every minute.”

2. The value in money that this represents.

   “I bought the chocolates; they were only a fiver.”

   “‘When they get there they will have cost me a fiver a beast in transport and fees.’”

3. A clenched fist.
4. A mathematical puzzle played on a 5 × 5 grid.
5. A Zaydi Shiite Muslim, who disagrees with the majority of Shiites on the identity of the Fifth Imam.
6. A person who gives five percent of their income or five hours a week of their time to charity (a reduction of ten percent tithing).