fiver

Meanings

1. A banknote with a value of five units of currency.
2. The value in money that this represents.
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).

1. A Zaidi Shi'a Muslim.
2. A fan of the American science-fiction television series Babylon 5.

Etymology

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