大三 dàsān junior Origin Definitions Defs Strokes Stroke Words Sentences Sents 五大三粗 wǔdàsāncū burly describing a person who is physically large, robust, and strong in build百慕大三角 Bǎimùdàsānjiǎo Bermuda Triangle 大三和弦 dàsānhéxián major triad major triad do-mi-so大三度 dàsāndù major third major third (musical interval)