treble

treb|le¹ [ˈtrebəl] predeterminer BrE

three times as big, as much, or as many as something else

American Equivalent: triple

▪ They sold the house for treble the amount they paid for it.

treble ²

treble² v [I and T] BrE

to become three times as big in amount, size, or number, or to make something increase in this way

American Equivalent: triple

▪ Their profits have trebled in the last two years.

treble ³

treble³ n

1.) [U]

the upper half of the whole range of musical notes

→↑bass¹ (3)

2.)

a boy's high singing voice, or a boy with a voice like this

3.)

the part of a musical work that is written for a treble voice or instrument

treble ⁴

treble⁴ adj [only before noun]

[Date: 1200-1300; : Old French; Origin: Latin triplus; TRIPLE¹]

a treble voice or instrument produces high notes