treble

adjective

1
having or denoting a high range
soprano voice
soprano sax
2
having more than one decidedly dissimilar aspects or qualities
a double (or dual) role for an actor
the office of a clergyman is twofold; public preaching and private influence"- R.W.Emerson
3
having three units or components or elements
a ternary operation
a treble row of red beads
4
three times as great or many
a claim for treble (or triple) damages
a threefold increase

Also useful for “treble”:Unscrambler— Rearrange the letters in “treble”