Fifteen

1. числительное пятнадцать 2. имя существительное 1) [спорт] команда игроков в регби 2) (the Fifteen) [историческое] Восстание якобитов 1715-го года

Большой англо-русский словарь

Fifteen

noun Etymology: Middle English fiftene, adjective, from Old English fīftēne, from fīf five + -tīene (akin to Old English tīen ten) — more at five, ten 1. — see number table 2. the first point scored by a side in a game of tennis — called also fivefifteen adjectivefifteen pronoun, plural in constructionfifteenth adjective or noun

Merriam-Webster's Collegiate Dictionary