to close / to join / to fit / to be equal to / whole / together / round (in battle) / conjunction (astronomy) / 1st note of pentatonic scale / old variant of 盒[he2]
Longkan Shoujian, Chinese character dictionary from 997 AD containing 26,430 entries, with radicals placed into 240 rhyme groups and arranged according to the four tones, and the rest of the characters similarly arranged under each radical