TREBLE

treble. Treble, a. threefolf; n. a sharp sound, note, bell

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Tre″ble (?), a. [[OE. treble threefold, OF. treble, treible, L. triplus. See Triple.]] 1. 1. Threefold; triple.
A lofty tower, and strong on every side With treble walls. Dryden. 2. 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.