Mao Collection, Upper Volume Radical: Heart (xīn) 忭; Kangxi strokes: 8; Page 378, Entry 03 Broad Rhymes of Guangyun (Guangyun) and Collected Rhymes (Jiyun): Pronounced bian (falling tone). Correct Rhymes (Zhengyun): Pronounced bian (falling tone). The meaning is to be happy or joyful. Originally written as bian.