Meaning of TRIAD in English

TRIAD

n.1 a group of three (esp. notes in a chord).

2 the number three.

3 a Chinese secret society, usu. criminal.

4 a Welsh form of literary composition with an arrangement in groups of three.

Derivatives:

triadic adj. triadically adv.

Etymology: F triade or LL trias triad- f. Gk trias -ados f. treis three

Oxford English vocab.      Оксфордский английский словарь.