treble
adjective
°Threefold, triple.
°(music) Pertaining to the highest singing voice or part in harmonized music; soprano.
noun
°(music) The highest singing voice (especially as for a boy) or part in musical composition.
°(music) A person or instrument having a treble voice or pitch; a boy soprano.
verb
°To multiply by three; to make into three parts, layers, or thrice the amount.
°To make a shrill or high-pitched noise.