4 entries under this word
(trĕb'l), a. [O. Fr. treble, treible, N. Fr. triple. See TRIPLE.] 1. Threefold; triple.
A lofty tower, and strong on every side With treble walls. Dryden.
Sense 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.
(trĕb'l), n. (Mus.) The highest of the four principal parts in music; the part usually sung by females; soprano. ☞ This is sometimes called the first treble, to distinguish it from the second treble, or alto, which is sung by lower female voices.
(trēb'l), v. t. [imp. & p. p. TREBLED; p. pr. & vb. n. TREBLING.] [See supra and TRIPLE.]
He outrageously (When I accused him) trebled his reply. Chapman.
(trēb'l), v. i. To become threefold.