The Collaborative International Dictionary
Triads of the Welsh bards
Triad \Tri"ad\, n. [L. trias, -adis, Gr. ?, ?, fr.?, ?, three: cf. F. triade. See Three, and cf. Trias, Trio.]
A union of three; three objects treated as one; a ternary; a trinity; as, a triad of deities.
-
(Mus.)
A chord of three notes.
The common chord, consisting of a tone with its third and fifth, with or without the octave.
-
(Chem.) An element or radical whose valence is three.
Triads of the Welsh bards, poetical histories, in which the facts recorded are grouped by threes, three things or circumstances of a kind being mentioned together.
Hindu triad. See Trimurti.