Definitions

1. noun

A metrical foot consisting of three syllables, especially one in which the first syllable is stressed and the second and third are unstressed.

“The poet experimented with different types of tribrach rhythms in his poem.”

2. noun

A rhythm or musical phrase consisting of three rhythmic units or beats, typically with a stressed beat followed by two unstressed beats.

“The song’s tribrach melody captivated the audience with its unique rhythm.”