Triple \Tri"ple\, v. i. [imp. & p. p. Tripled; p. pr. & vb. n. Tripling.]

[Cf. F. tripler. See Triple, a.]

To make threefold, or thrice as much or as many; to treble; as, to triple the tax on coffee.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Triple \Tri"ple\, a. [L. triplus; tri- (see Tri-) + -plus, as in duplus double: cf. F. triple. See Double, and cf. Treble.]

1. Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie.

By thy triple shape as thou art seen. --Dryden.

2. Three times repeated; treble. See Treble.

3. One of three; third. [Obs.]

--Shak.

Triple crown, the crown, or tiara, of the pope. See Tiara, 2.

Source: Webster's Revised Unabridged Dictionary (1913)