fiver

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

• (General American) IPA^(key): /ˈfaɪvɚ/

• Audio (General Australian):

  (file)

• Rhymes: -aɪvə(ɹ)

fiver (plural fivers)

1. (slang) A banknote with a value of five units of currency.

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

   • 1995, Nick Hornby, High Fidelity, London: Victor Gollancz, →ISBN, page 15:

     […] a gesture that had a sort of self-parodying wit about it: it was like trying to borrow a fiver, getting turned down, and asking to borrow fifty quid instead.

2. (slang, by extension) The value in money that this represents.

   I bought the chocolates; they were only a fiver.

3. (colloquial) A clenched fist.

   Synonym: bunch of fives

4. A mathematical puzzle played on a 5 × 5 grid.
5. (Islam) A Zaydi Shiite Muslim, who disagrees with the majority of Shiites on the identity of the Fifth Imam.
6. (religion) 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).

• tenner