having three parts or uses; threefold

being three times as great in number or as much in amount

a singer having a high-pitched singing voice, esp a boy's, or a singer with this voice

(used before a noun) denoting a musical instrument having a relatively high range

the higher portion of the audio frequency range considered esp in relation to its electronic reproduction

Brit a bet, esp in horseracing, involving three selections in different events. If the first selection is successful, the stake and winnings are bet on the second, and so on

Brit in sport, three wins by a player or team