(1):

(a.) Three times repeated; treble. See Treble.

(2):

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

(3):

(a.) One of three; third.

(4):

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