Meaning of fives in English:

fives

Pronunciation /fʌɪvz/

plural noun

treated as singular
  • A game, played especially in the UK, in which a ball is hit with a gloved hand or a bat against the walls of a court with three walls (Eton fives) or four walls (Rugby fives).

Origin

Mid 17th century plural of five used as a singular noun; the significance is unknown.