Threefold; triple; as a lofty tower with treble walls.

In music, acute; sharp; as a treble sound.

That plays the highest part or most acute sounds; that plays the treble; as a treble violin.

trib’l. In music, the part of a symphony whose sounds are highest or most acute. This is divided into first or highest treble, and second or base treble.

trib’l. To make thrice as much; to make threefold. Compound interest soon trebles a debt.

trib’l. To become threefold. A debt at compound interest soon trebles in amount.