treble

Something that's treble has three parts or sections. You could describe a tricycle as a treble wheeled vehicle.

You can use the adjective treble to mean "triple," either because it's three times as large, or has three components. If you watch three movies in a row at a theater, you can call it a treble feature. A three-headed monster can also be described as treble headed. Another meaning of treble is a high-pitched singing voice, especially a boy's. Treble comes from the Latin word triplus, or "threefold."

Definitions of treble
  1. adjective
    having or denoting a high range
    “the boy still had a fine treble voice”
    “the treble clef”
    synonyms: soprano
    high, high-pitched
    used of sounds and voices; high in pitch or frequency
  2. noun
    the pitch range of the highest female voice
    synonyms: soprano
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    type of:
    pitch
    the property of sound that varies with variation in the frequency of vibration
  3. verb
    sing treble
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    type of:
    sing
    produce tones with the voice
  4. adjective
    three times as great or many
    “a claim for treble (or triple) damages”
    synonyms: three-fold, threefold, triple
    multiple
    having or involving or consisting of more than one part or entity or individual
  5. adjective
    having three units or components or elements
    “a treble row of red beads”
    synonyms: ternary, triple, triplex
    multiple
    having or involving or consisting of more than one part or entity or individual
  6. adjective
    having more than one decidedly dissimilar aspects or qualities
    synonyms: double, dual, three-fold, threefold, two-fold, twofold
    multiple
    having or involving or consisting of more than one part or entity or individual
  7. verb
    increase threefold
    synonyms: triple
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    type of:
    manifold, multiply
    combine or increase by multiplication
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