Treble (?), a. [OE. treble threefold, OF. treble, treible, L. triplus. See Triple.] 1. Threefold; triple.
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A lofty tower, and strong on every side
With treble walls. Dryden.
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2. (Mus.) (a) Acute; sharp; as, a treble sound. Bacon. (b) Playing or singing the highest part or most acute sounds; playing or singing the treble; as, a treble violin or voice.
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Treble, n. [“ It has been said to be a corruption of triplum [Lat.], a third part, superadded to the altus and bassus (high and low).” Grove.] (Mus.) The highest of the four principal parts in music; the part usually sung by boys or women; soprano.
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&hand_; This is sometimes called the first treble, to distinguish it from the second treble, or alto, which is sung by lower female voices.
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Treble, v. i. To become threefold. Swift.
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