treble

US /ˈtreb.əl/
UK /ˈtreb.əl/
"treble" picture
1.

a high-pitched voice, especially a boy's or woman's soprano.

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The choir's treble section sang beautifully.
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Her voice has a clear, ringing treble.
:
sopranodescantfalsettohigh pitch
2.

a hit or score of three, especially in darts.

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He threw a perfect treble twenty.
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The darts player aimed for the treble.
:
triplethree
1.

multiply by three; increase threefold.

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The company hopes to treble its profits this year.
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The population has trebled in the last decade.
:
triplemultiply by threeincrease threefold
1.

consisting of three parts or elements.

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The band played a treble rhythm.
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He scored a treble hundred in the game.
:
triplethreefoldtripartite