The word Triad has several meanings:

• A grouping of three
• The traditional strategic triad of strategic defense is ICBM, SLBM, strategic bomber
• A crime group based in Hong Kong - Triad
• In sociology a group of three people - Triad (sociology)
• A grouping in Egyptian mythology - Triad (Egyptian religion)
• A chord in music - Triad (music)
• A computer term for a form of display - Triad (computers)
• The Piedmont Triad region of North Carolina
• A member of the Legion of Super-Heroes - Triad (LSH)
• An infamous software piracy organization for the Commodore 64 - Triad