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

TRIPLE-CROWNED
Tri"ple-crowned`, a.

Defn: Having three crowns; wearing the triple crown, as the pope.

TRIPLE-HEADED
Tri"ple-head`ed, a.

Defn: Having three heads; three-headed; as, the triple-headed dog
Cerberus.

TRIPLET
Trip"let, n. Etym: [From Triple.]

1. A collection or combination of three of a kind; three united.

2. (Poetry)

Defn: Three verses rhyming together.

3. (Mus.)