noun
Refers to a group of three people or things, especially in music (a three-note chord), organized crime (e.g., Chinese triads), or other contexts where a set of three is significant.
音楽理論では、トライアドは三つの音からなる和音です。
In music theory, a triad is a chord consisting of three notes.
その映画は中国のトライアドを描いている。
The movie depicts Chinese triads.