How do you spell Triple

Available Definitions:
1)  a. - Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie.
2)  a. - Three times repeated; treble. See Treble .
3)  a. - One of three; third.
4)  a. - To make threefold, or thrice as much or as many; to treble; as, to triple the tax on coffee.