鈞きんMeanings1nounancient Chinese unit of weight (approx. 15 kg)historical termHistorical term for a unit equal to 30 catties (斤), used in ancient China. Not in modern everyday use.古こ代だい中ちゅう国ごくでは、鈞きんは三さん十じゅう斤きんに相そう当とうする重おもさの単たん位いだった。In ancient China, 鈞 was a unit of weight equivalent to thirty 斤.