triplet Meaning, Definition & Usage

  1. noun the cardinal number that is the sum of one and one and one
    deuce-ace; trio; tercet; tierce; troika; three; trey; 3; ternion; trine; ternary; triad; threesome; leash; III; trinity; terzetto.
  2. noun one of three offspring born at the same time from the same pregnancy
  3. noun a set of three similar things considered as a unit
    triad; trio; triple.

WordNet

Trip"let noun
Etymology
From Triple.
Definitions
  1. A collection or combination of three of a kind; three united.
  2. (Poetry) Three verses rhyming together.
  3. (Mus.) A group of three notes sung or played in the tree of two.
  4. pl. Three children or offspring born at one birth.

Webster 1913