Trĭp'le1, a.
(trĭp'l), a. [Fr. & Sp. triple, It. triplo, Lat. triplex, from tri, q. V., and plicare, to fold, and tri-plus, Gr. τριπλοῦς. Cf. TREBLE.]
Sense 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.
Sense 2. Three times repeated; treble. See TREBLE.
Triple crown, the crown or tiara of the pope; — so called because consisting of three crowns placed one above another about a high cap or tiara of silk. See TIARA, 2. — Triple ratio (Math.), a ratio which is equal to 3. — Triple salt (Chem.), formerly a salt in which two bases are combined with one acid, and which is more properly regarded as a double salt; in present use, a tri-basic salt. See TRIBASIC. — Triple stars, three stars in close proximity. Nichols. — Triple time (Mus.), that in which each measure is divided into three equal parts.