Definition of "triad" []

• A group of three. (noun)
• Music A chord of three tones, especially one built on a given root tone plus a major or minor third and a perfect fifth. (noun)
• A section of a Pindaric ode consisting of the strophe, antistrophe, and epode. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Thus _e. g._, the large I shows that the triad on the first tone (in major) is a _major triad_, the small II shows that the triad on the second tone is minor, etc."
• "Rienhoff is still in the midst of this project, which he dubbed his triad transcriptome experiment—the "triad" consisting of mother, father, and offspring."
• "Completing the triad is the intimate Transit Lounge (141 Tai An Road; 86-21-6283-3051), a favorite among Japanese men who come for the swanky red banquettes, loungey vibe and mojitos."