square / power or involution (math.) / upright / honest / fair and square / direction / side / party (to a contract, dispute etc) / place / method / prescription (medicine) / just when / only or just / classifier for square things / abbr. for square or cubic meter
Second Chinese Character Simplification Scheme (second round of simplified Chinese characters, proposed in 1977 and retracted in 1986) / abbr. to 二簡|二简[er4 jian3]