jai alaiPronunciation: /ˌhʌɪ əˈlʌɪ/Definition of jai alai noun [mass noun] a game like pelota played with large curved wicker baskets: [as modifier]:jai alai playersOrigin:Spanish, from Basque jai 'festival' + alai 'merry'jai alai in other Oxford dictionaries Definition of jai alai in the US English dictionary