FIVER

fiver, five-spot, five dollar bill

(noun) a United States bill worth 5 dollars

Source: WordNet® 3.1

Noun

fiver (plural fivers)

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

By extension: the value in money that this represents.

A clenched fist.

A mathematical puzzle played on a 5 × 5 grid.

(Islam) A Zaydi Shiite Muslim, who disagrees with the majority of Shiites on the identity of the Fifth Imam.

(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).

Etymology

Noun

Fiver (plural Fivers)

(Islam) A Zaidi Shi'a Muslim.

(the Zaydis, or Fivers, were the first subset to break away from larger Shi’ism, and traditionally elected an imam from among the descendants of the Prophet Muhammad as their leader).

(fandom slang) A fan of the American science-fiction television series Babylon 5.

Source: Wiktionary