大三和弦 dàsānhéxián major triad Definitions Defs Origin Strokes Stroke Words Sentences Sents 大 dà adjective big big; large; great; vast; high in scale or intensity; (of a person) old; adult三和弦 sānhéxián triad A chord made of three notes stacked in intervals of thirds, consisting of a root note, a third, and a fifth.